The cost c of producing x number of calculators is given by c= 4.50x + 3000 and the revenue r from selling is 16.50x. find the number of calculators that must be sold to break even

Which formula finds the probability that a point on the grid below will be in the blue area? p(blue) = total number of squares number of blue squares number of blue squares p(blue) = total number of squares number of blue squares p(blue) = number of white squares

What is the area of the trapezoid shown ?

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?