What are the changes of 5% of a 100. Like how many tries do i to do to get the 5 %

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.