Ave buys a book for $8.58 and she pays with a $10 bill. how much change will she get back?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Use the net as an aid to compute the surface area of the triangular prism. a) 550 m2 b) 614 m2 c) 670 m2 d) 790 m2

Bring the fraction a/a-4 to a denominator of 16-a^2