The ratio of girls to boys who participated in the quiz bowl was 7: 5. there were 42 girls in the competition. how many boys participated?

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

We must first determine the shape of a rectangular prisms _ a0 to find area of the prism

Algebra 1: unit 6 part 2 of test a) the table shows a linear function. x 0 1 2 3 5 13 21 29 37 45 53 (a) determine the difference of outputs of any two inputs that are 1 unit apart. show your work. (b) determine the difference of outputs of any two inputs that are 2 units apart. show your work.