At Peyton's store, she sells blue shoes for $39.00 a pair and red shoes for $34.30 a pair. Peyton has already sold four pairs of blue shoes to customers. If Peyton only sells red shoes for the rest of the day, how many pairs of red shoes need to be sold to meet the sales goal of $1,200? A. 40 B. 30 C. 39 D. 31

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

How many grams the dog will eat in 3 days?

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?