Mabel bought towels at 3 for $10 and toothbrushes at 5 for $9. she paid $87 for 18 towels and some toothbrushes. how many toothbrushes did she buy?
pls ! thx

The vertex of this parabola is at (-2, 5). which of the following could be it’s equation? a. y=3(x+2)^2-5 b. y=3(x-2)^2-5 c. y=3(x+2)^2+5 d. y=3(x-2)^2+5

Louis wants to carpet the rectangular floor of his basement.the basement has an area of 864 square feet.the width of the basement is 2/3 it's length. what is the length of louis's basement

In angle pqr find the measure of