Dominic books with 12 postcards in each book. He has 4 boxes with 20 coins in each box. If he gives 15 post cards to his friends, how many postcards and coins does he have?

What is 9y + 9y if y equals 2

3,429,111 what is the value of 4

Roberta needs ribbon for a craft project. the ribbon sells for $3.75 per yard. whats the cost in dollars for 48 inches of ribbon?

AB = x + 15 AD = 2x + 18 BC = 3 - x CD = 3x + 25 Quadrilateral ABCD is a parallelogram if both pairs of opposite sides are congruent. Prove that Quadrilateral ABCD is a parallelogram by finding the value of x.

Marcus is trying to gain weight for the upcoming wrestling season. His gains and losses (in pounds) each week are shown. How much weight did he gain over the six week period?

Billy plays outside for a half of hour how mintues billys played outside

Solve the equation 2 (c-4) + 8=1/2 (6c+20) 1/2 is fraction by the way

The equation 3 (x+10) = 87 models situation. Which choice show the shows the sequence of the operations needed to solve this problem, using both arithmetic and algbra

What is the absolute value of - 4 minus the square root of 2i

A water tank in the shape of an inverted cone has height 11 feet and radius 5 feet. find the volume of the water in the tank when the water is 6 feet deep