To get from one town to another, Pierre must travel 15 kilometers west and 8 kilometers north. What is the direct distance between the two towns?

Ten times the square of a non-zero number is eqaul to ninety times the number

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'