Anumber is double and than increased by nine. the result is ninety-one. what is the original number?

We must first determine the shape of a rectangular prisms _ a0 to find area of the prism

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

The sides of a parallelogram are 24cm and 16cm. the distance between the 24cm sides is 8 cm. find the distance between the 16cm sides