Blake made an 87 on the first semester of Algebra 1. What score must be make on the second semester if he wants to make an average of a 90 for both semesters??

What is the y intercept of f(x)=(1/2)^x?

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

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b