Working alone, Elisa can sweep a porch in 11 minutes. Pranav can sweep the same porch in 13 minutes. Find out how long it would take them if they worked together.

A) 5.96 minutes
B) 5.21 minutes
C) 5.86 minutes
D) 4.87 minutes

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

Ateam has p points. p = 3w + d w = wins d = draws a) a football team has 5 wins and 3 draws. how many points does the team have?