Find the value of a^2+b when a=-2 and b=5

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

The monthly texting plan of all star cell is $11 per month and $0.25 per text. the monthly texting plan of top line cell is $14 per month and $0.15 per text. a student wants to set up a system of equations to find the number of texts for which the total monthly cost of the two companies is the same. he uses the variables x and y. he lets y represent the total monthly cost. what will x represent? x = number of texts x = cost of the total number of texts x = total monthly cost x = cost of each text