Mr. Salazar cut his son’s birthday cake into 8 equal pieces. Mr. Salazar, Mrs. Salazar, and the birthday boy each ate 1 piece of cake. What fraction of the cake
was left?
PL HELP ME WILL GIVE BRAINLESSLY

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

Which problem would you use the following proportion to solve for? 24/x=40/100 a. what is 40% of 24? b. what percent is 24 of 40? c. twenty-four is 40% of what number? d. forty percent of 24 is what number?

The height, h, of a cylinder is 5 units less than 3times its radius, r. which expression represents the height of the cylinder in terms of its radius