You recycled a total of 30 cans and bottles and made $1.80. For cans you get $0.05 and for bottles you get $0.15. How many cans did you recycle?

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

Acircle has a circumference of 28.36 units what is the diameter of the circle