The cost of ice cream at Oh Wow Cow is $3.99 plus $0.50 per topping. Write an equation in two variables to represent how much an ice cream would cost at Oh Wow Cow.

49xy +34y - 72z. determine the degree of the polynomial

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

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