Karen buys a stereo for the sale price

of $81.90. The stereo normally costs

$ 163.80. What percent is being saved?

Find the simple interest, I, and the balance earned or due. 800$ at an annual rate of 8% for 9 months.

If the sides of a square are increased by 3m, the area becomes 64 m. Find the lenght of a side of the original square

How to complete the pattern 1,4, _, 8,_25 then on the bottom row are the numbers _, 12, 18,51,-

Monroe has a puzzle that is a parallelogram. it is 26 cm long and 30 cm high. what is the area of the puzzle?

37.5% of 16 is what number

Glen received 6 birthday cards. If he is equally likely to read the cards in any order, what is the probability he reads the card from his parents and the card from his sister before the other cards?

Rachel jogged along a trail that was 1/4 of a mile long. She jogged along the trail 8 times. How many miles did Rachel job?

If Tom has $⁢803 left after spending 1/3 of his monthly salary for rent and 1/7 of his monthly salary for his utility bill, what was his monthly salary?

X=8 How many solutions does each system have?

Solve expression for x=4 and y=3 3x^2 + 5y