9. Simplify (3a4 - 2a2 + 5a - 10) - (2a4 + 4a2 + 5a - 2).

A. a4 - 6a2 - 8

B. a4 + 2a2 + 10a - 12

C. a4 + 4a2 + 10a - 12

D. 5a4 + 4a3 + 3a2 + 10a - 12

There are 20 boys and 5 girls in a class. The ratio of boys to girls is 4:

A right triangle has legs with lengths 9 cm and 40 cm. What is the length of the hypotenuse?

A repair bill for you car is $553 the parts cost $265 the labor cost is $48 per hour. Write and solve an equation to find the number of hours of labor spent requiring the car

Exactly 1/20 of the students in Mr. Perez's class have a bird. What Percentage of his students has a bird?

Thompson High School had a population of 1800 students in 2010. Every year since then, the population has grown by 50 students a year. Write a formula to model this situation if you let 2010 be t = 0.

What is the height of a triangle whose base is 8.6 centimeters and whose area is 79.12 square centimeters? round to the nearest tenth

Tanya likes to take walks around the pentagonal garden at her local park. The garden on the left has congruent sides. If Tanya starts at one vertex of the pentagon and walks all the way around the garden, how far has she walked in total?

The surface area of a rectangular prism is found using the formula SA = 2 (lw + lh + wh), where l is length, w is width, and h is height. What is the surface area (in square meters) of a rectangular prism with length 5 m, width 12 m, and height 6 m?.

If you are given the graph of h (x) = log Subscript 6 Baseline x, how could you graph m (x) = log Subscript 6 Baseline (x + 3) ?

Solve: y=-3x+5 5x-4y=-3