You randomly choose one of the marbles. Without replacing the first marble, you choose a second marble.
a. Name two ways you can find the total number of possible outcomes.
b. Find the total number of possible outcomes.
What is the common difference and the next term in the arithmetic sequence? 3, 15. 27. 39, ...
Find an example that meets the given specifications. A 2×22 \times 22×2 matrix A such that
adj(A)=[2357]\operatorname{adj}(A)=\left[\begin{array}{ll} 2 & 3 \\ 5 & 7 \end{array}\right] adj(A)=[2537]
Use the equation to identify the vertices, co-vertices, and foci of the ellipse. x29+y24=1\frac{x^2}{9}+\frac{y^2}{4}=19x2+4y2=1