Anita opens a savings account by making a deposit of $272.95. Every week, she deposits another $45.25 in the account. How much will be in the account after 6 weeks? $318.20
$453.95
$499.20
$544.45

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).