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.

Which is a true statement about 7 and 14

A train goes at a constant speed. If it covers 150 miles in 2 1 2 hours, e How long would it take for that train to cover 270 miles?

Write a paragraph on the differences between proportional and non proportional relationships.

50 meters longer than x meters

How do you write numbers in scientific notation

Find the rate and unit rate: 216 miles per 9 gallons A: 24 miles per 1 gallon B: 42 miles per 1 gallon C: 25 miles per 1 gallon D: 16 miles per 1 gallon

At 8:00 a. m., the outside temperature was - 16°. by 9:00 a. m., the outside temperature had dropped 6.5°. what was the outside temperature at 9:00 a. m.? a. 22.5° b. 9.5° c. - 9.5° d. - 22.5°

What is one thousand less than 921,438

What is the lowest common denominator among the fractions 1/3, 1/2, and 1/4?

If you earn $7.25 per hour working part time. How many full hours must you work to earn $125.00?