The total cost C of a firm is : C 1500 30 , where is the output. Determine: i. the average cost, ii. the marginal cost, iii. the marginal cost when 20 units are produced, and iv. the actual cost of x x x x x    producing the first unit

Measures of the angle of r, 31 s (x+4) t (3x+9)

Pranav and molly are selling pies for a school fundraiser. customers can buy blueberry pies and pumpkin pies. pranav sold 6 blueberry pies and 4 pumpkin pies for a total of $106. molly sold 6 blueberry pies and 3 pumpkin pies for a total of $90. find the cost of each of one blueberry pie and one pumpkin pie

Bob paid $3 less than tim at a local pizza parlor. together they spent $7.80. how much did bob pay for pizza?