Vanessa's total sales = - $321.50 1. How much do the girls owe the school in concession fees (15%) from Vanessa's total sales?

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g