Use a commutative law to write an equivalent expression.

$$5 x+y$$

Solve the problem. Use all five problem-solving steps. Dan is moving from Charlotte, North Carolina, to Greenville, South Carolina. The average monthly rent of an apartment in Greenville is $\$ 1100$. This is four-fifths of the average monthly rent of an apartment in Charlotte. What is the average monthly apartment rent in Charlotte?

Use a commutative law to write an equivalent expression.

$$12+x$$

Determine the area of a square flower garden with the given length of a side. Use $A=s^2$. Side $=0.5 \mathrm{~m}$

Divide and simplify.

$$\frac{32 x^8 y^5}{8 x^2 y}$$

Write the meaning of the given inequality, and determine whether it is a true statement.

$$0 \geq-5$$

Simplify and write scientific notation for the answer. Use the correct number of significant digits.

$$\left(9.05 \times 10^{-3}\right)\left(2.22 \times 10^{-5}\right)$$

Dan is moving from Greenville, South Carolina, to Charlotte, North Carolina. The average monthly rent of an apartment in Charlotte is $\$ 625$. This is five-sixths of the average monthly rent of an apartment in Greenville. What is Greenville's typical monthly apartment rent?

Solve. $V=\frac{4}{3} \pi r^3$, for $r^3$ (a formula for the volume of a sphere)

Convert to decimal notation.

$$3.76 \times 10^{-9}$$

Simplify to form an equivalent expression by combining like terms. Use the distributive law as required.

$$9 t^2+t^2$$

Determine: $-a$ if $a=-6.28, \quad$

Divide and simplify.

$$\frac{m^6 n^9}{m^5 n^6}$$

¿Cuál es la fuerza de acción y la fuerza de reacción cuando te sientas en una silla?