Add commas where necessary. Delete ( ) unnecessary commas. Sentence may be correct.
We went on the roller coaster, the Ferris wheel, and the bumper cars.

Suppose a roller coaster casts a shadow of 31.5 feet. At the same time, a nearby Ferris wheel casts a 19-foot shadow. If the roller coaster is 126 feet tall, how tall is the Ferris wheel?

In each of the following sentences, add or delete a word or words to correct an error in the use of a modifier. Draw a caret ($_\wedge$) to show where words should be added, and write the words above the caret. Cross out words that should be deleted. If a sentence is already correct, write C after it.

Example 1. The price of a good haircut is higher $\overset{\textit{\color{#c34632}{it was}}}{{\text{than last}}}$ year.

Frankie tossed the ball higher than Johnny.

Add commas where necessary. Delete ( ) unnecessary commas. Sentence may be correct.
Alaska is the biggest state,Rhode Island is the smallest,and California has the most people.

A map of an amusement park is shown on a coordinate plane, where each square of the grid represents 1 square meter. The water ride is at (-17, 12), the roller coaster is at (26, -8), and the Ferris wheel is at (2, 20). Find each distance to the nearest tenth of a meter.A caricature artist is at the midpoint between the roller coaster and the Ferris wheel. What is the distance from the artist to the Ferris wheel?

In each of the following sentences, add or delete a word or words to correct an error in the use of a modifier. Draw a caret ($_\wedge$) to show where words should be added, and write the words above the caret. Cross out words that should be deleted. If a sentence is already correct, write C after it.

Example 1. The price of a good haircut is higher $\overset{\textit{\color{#c34632}{it was}}}{{\text{than last}}}$ year.

The skirts on this rack are smaller than that rack.

Insert commas where necessary. Delete ( ) unnecessary commas. Sentences may be correct.
That coat is,without a doubt,the warmest one I have ever owned.

Add commas where necessary. Delete ( ) unnecessary commas. Sentence may be correct.
The audience loved the movie,cheered at the end,and left happy and satisfied.

Delete part of the domain so that the function that remains is one-to-one. Find the inverse function of the remaining function and give the domain of the inverse function.

$$f(x) = 16-x^4$$

Add commas where necessary. Delete ( ) unnecessary commas. Sentence may be correct.
I ordered my hiking boots from a Portland,Maine,company.

Add commas where necessary. Delete ( ) unnecessary commas. Sentence may be correct.
The Montinis have just put in a new, wooden deck.

Find a column of the matrix in the below Exercise that can be deleted and yet have the remaining matrix columns still span $\mathbb{R}^4$. Can you delete more than one column?

Exercise:

$$\left[\begin{array}{rrrrr}8 & 11 & -6 & -7 & 13 \\ -7 & -8 & 5 & 6 & -9 \\ 11 & 7 & -7 & -9 & -6 \\ -3 & 4 & 1 & 8 & 7\end{array}\right]$$

Add commas where necessary. Delete ( ) unnecessary commas. Sentence may be correct.
He yelled that he was sick, and tired of the way they treated their cat.

Add commas where necessary. Delete ( ) unnecessary commas. Sentence may be correct.
That new restaurant makes the juiciest, and tastiest, and biggest hamburgers in town.