Of the students at Milton Middle School, 165 are girls. If 55% of the students are girls, how many total students are there at Milton Middle school?

There is a linear relationship between a salesperson sales and her weekly income.if her sales are $200 her income is $500 and if her sales are 1,200 her income is $600.what is the relationship between sales and income

Mary and roberto bought identical backpacks at different stores. mary's backpack originally cost $65 and was discounted 25%. roberto's backpack originally cost $75 and was on sale for 30% off on the original price. which backpack was the better buy?

One angle of a right triangle measures 15°. what is the measure of the other acute angle?