Barbara is planning a party. she invited some school friends and 2 times as many friends from her swimming club as school friends. if a total of 21 friends came to her party, how many school friends did she invite

At a movie theater a cashier sold 250 more adult admission tickets than children admission tickets. The adults were $6.00 each and the childrens tickets were $3.50 each.

Need steps to solve this problem 5e+8f + (-2) e-12f

Which ratio represents cos C? A) 8 17 B) 8 15 C) 15 17 D) 17 15

What is the area of the composite figure? (6π + 10) m2 (10π + 10) m2 (12π + 10) m2 (16π + 10) m2

Out of the 125 children at summer camp 45 signed up for swimming and 38 signed up for arts and crafts twelve students who signed up

Solve the following equations: 2/3 (6x+9) = - 2 (1/2x+4) -3 (2y-1) = 4 (1/2y+3/4)

What are the solutions to the system of equations?

Name a real life a example of using negative numbers

Kim spent 70% of her salary on expenses and saved $1200 what is her salary

Trail mix is sold in 1-pound bags. mary will buy some trail mix and repacked it so that each of the 15 members of her hiking club gets one 2/5 pound bag. how many one pound trail mix should marry buy to have enough trail mix without leftovers?