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

How many tens and ones are in 25

What is the coefficient of q (2/3q-3/4) and - 1/6q-r)

Person A leaves his home to visit his cousin, person B, who lives 263 miles away. He travels at an average rate 46 miles per hour. One half-hour later, person B leaves her house to visit person A, traveling at an average rate of 74 miles per hour.

Given that 9t-5=103, find the value of t

Which equation is equivalent to 3[x + 3 (4x - 5) ] = 15x - 24? a. 15x - 15 = 15x - 24 b. 15x - 5 = 15x - 24 c. 39x - 45 = 15x - 24 d. 39x - 15 = 15x - 24

What is the least number that has 4 odd factors that are all the same

leaks can write a 500-work essay in a hour. if she writes a essay in 10 minutes, how many words will it contain?

Why are the terms carry and borrow not accurate?

The segment show below could be a triangle

How many balls each of radius 1 cm can be made from a solid sphere of radius 8 cm