Which pair of expressions is equivalent for any variable greater than ZERO? A- 3(x+2) and 3x+2

B- 4d+2e and 8d+e

C- f+f+f+g and 3fg

D- b+b+3c and 2b+3c​

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?