Which expression is equivalent that (x^2-3x) (4x^2+2x-9) ?

A. x^2 (4x^2 + 2x - 9) - 3x (2x - 9)

B. x^2 (4x^2 + 2x) - 3x (2x - 9)

C. x^2 (4x^2 + 2x - 9) - 3x

D. x^2 (4x^2 + 2x - 9) + 3x (4x^2 + 2x - 9)

2. Find the least common multiple of 3 and 21.

After the journalism club sold 60 magazines, it had $220 in profit. After it sold a total of 100 magazines, it had a total of $420 in profit. Which equation models the total profit, y, based on the number of magazines sold, x? A.

in 1970, a record 1.5 inches of rain fell in Basse Terre, Guadeloupe in the Caribbean. At this rate, how much rain fell in 3 seconds or 0.05 of a minute?

A teacher collects data on the number of hours, s, his students spend studying and the number of hours, t, they spend watching TV each day.

1/2 + 1/3 add write in simplest form

Devin is collecting signatures for a petition to open a new park in her town. She needs to collect at least 1,000 signatures before she can schedule a meeting with the mayor. She already has 380 signatures.

Jeff bought a refrigerator for $1,300 he made a 10% down payment and finance the rest at 6% for one year how much interest did he pay?

If you hike 1/2 mile every 1/5 hour how far do you hike in two hours?

How do i find the value of a parallelogram

After the 30% discount was applied, Patricia paid $45.50 for the ring. What was the original price of the ring