Parallelogram ABCD is similar to parallelogram EFGH. What is the length of GH? BC/FG = 21/7
AD/EH = 21/7

What is the equation of a line passing through (-6,5) and having a slope of 1/3

Luis has a cooler filled with cans of soda.for every 5 cans of coke there are 3 cans of sprite.if there are 25 cans of coke, how mant cans of sprite are there?

The salesperson earns a 5% commission on the first $5,000 she has in sales. the salesperson earns a 7.5% commission on the amount of her sales that are greater than $5,000. this month the sales person had $8,000 in sales. what amount of commission, in dollars, did she earn?