Someone help pleaseee If y varies directly with x. If y = 80 when x = 32, find x when y = 100
x=?
(I need to find x)

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2

What is the least common multiple for 6 and 8? what is the least common multiple for 4 and 12 ? what is the least common multiple for 11 and 12? what is the least common multiple for 3 and 6?