Factor completely

1) 6x^2 + 42x

2) x^2 - 7x - 30

3) x^2 + 9x + 20

4) x^2 - 14x + 48

5) 2x^2 + 21x - 11

6) 5a^2 - 125

7) 8x^2 - 6x - 9

8) 4x^2y - 24xy + 32

(I never asked a question before so yeah idk what to say)

If the radius of the smaller sphere is 3 inches and the radius of the larger sphere is 6 inches how many times greater is the volume of the larger sphere

Can you use SAS (Side-Angle-Side) to prove triangle congruence?

Which of the numbers below belong to both of natural numbers and set of integers? A. - 7 B. 3 C. - 9 D. None of the numbers belong to both the set of natural numbers and integers

1. Change the following subtraction problems into addition problems. a. - 2-3 b. 8 - (-1) C. 4-9

What is The sum of five times z and four, divided by two, is seven

A circle has a radius of 7cm. find the radian measure of the central angle? that intercepts an arc of length 16cm.

54.4% of tickets sold to a movie are sold with a popcorn coupon, and 45.6% are not. You want to calculate the probability of selling exactly 6 tickets with popcorn coupons out of 10 total tickets (or 6 successes in 10 trials).

Arron just paid $7.40 for a new pair of sunglasses. His father told him that prices were different 10 years ago. Then his grandfather told him that 20 years ago, prices were even better.

A dump truck is careying 4250 pounds of gravel. There are 2000 pounds in a ton. Express the weight of the gravel in tons only by using a mixed number. If necessary, simplify the fraction part of the mixed number.

A marketing research company desires to know the mean consumption of milk per week among males over age 25. They believe that the milk consumption has a mean of 2.5 liters, and want to construct a 85% confidence interval with a maximum error of 0.