The ratio of boys to girls is 5:4. there are 64 girls in choir. how many boys are in choir? 1. 48
2.61
3.75
4.80

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Rai compares two cable plans from different companies. which equation gives the correct value of mm, the number of months for which plans a and b cost the same?

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)