URGENT, PLEASE HELPif -2 is the solution of the equation 2x+1-3c=2c+3x-7, find the value of c.

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.