Solve the equation in the interval [0,2]. If there is more than one solution write them separated by commas. (cos())2=1/25

Find the values of the variables and the lengths of the sides of this kite.

How many square inches are in 60 square feet?

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?