Maria bought 6 cars and 3 helicopters which altogether cost $72.00 On another occasion, she bought 5 cars and 9 helicopters which cost $112.00
Are these toys expensive? How much does one car cost? How much does one helicopter cost?

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

If w = 6 units, x = 3 units, and y = 5 units, what is the surface area of the figure? 168 units2 240 units2 144 units2 96 units2

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length