Which ratios are equivalent to the given ratio?

15 to 30

(multiple choice)

- 1/2

- 7 : 15

- 6/3

- 4 to 2

- 10 : 20

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?