Francesca wants to glue this 5-inch by 7-inch photo on top of a mat that will increase the length of each side by another x inches. Find an expression representing the area of the
mat, and use this expression to find the area and cost of the mat for different values of x.

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

What are “like terms”? why can we only add like terms?

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie