What is 3k^2 (-2k^2-4k+7) ?

A.-6k^3 - k + 10k

B. - 6k^4 - 12k^3+21k^2

C. k^4-k^3+10k^2

D. 6k^4 - 12k^3+10k^2

I picked B.

What percent of 60 is 20

Assume that the probability of the binomial random variable will be approximated using the normal distribution. Describe the area under the normal curve that will be computed. Find the probability that at most 51 households have a gas stove.

Elijah is selling coupon books for a school fund raiser. Th coupon book sell for $11. The school gets $8 and $3 goes to Elijah homeroom.

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Is 8 over 10 a irrational number

Jared lost a total of $9.00 over 22 months. He lost an equal amount of money each month. The following equation describes this situation -9.00:2=-4.50 What does - 4.50 tell us?

How much simple intresteded is earned on an investment of 1,250 if the money is invested for 5 years at an annual intresteded rate of of 4.5%?

If the starting time is 3:10am and the finishing time is 4:20am what is the elapsed time minutes

Round 9,909.937 to 2 decimal places

245% of 160 kilograms find the quantity represented by each percent