Connie has to solve the following problem. 5 boxes of cereal costs $12.50. how much will 18 boxes cost. choose every proportion connie could use to solve this problem. = 12.50 12.50 13,5 = 18

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

Bring the fraction a/a-4 to a denominator of 16-a^2

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.