For each ordered pair determine whether it is a solution to the system of equations

-2*+7y=3

5*-3y=7

Jimmy collects nickels and dimes. Right now, he has a total of 40 coins in his piggy bank. If there are seven times as many dimes as there are nickels, how many nickels does Jimmy have?

3/4 (x - 16) = - 2 (x - 3) + 4

The following blueprint of a kitchen has dimensions of 7 inches by 7 inches. The island has been highlighted in red. The island's actual dimensions are 2 5/8feet by 1 5/16feet.

Consider the number 4n, where n is a natural number. Check whether there is any value of e N for which 4n ends with the digit zero

Find the inner product for (7.2) (0,-2) and state whether the vectors are perpendicular. a. - 4; no c. 4; no b. - 4; yes d. 4; yes

Find the sum 45+46+47+48 ... + 127+128

14 more than thr difference of x and 3

What's the coefficient of x in the expression: - 7x^2+3x-4?

Given h (t) = negative 2 (t + 5) squared + 4, find h (negative 8)

What is the sequence of - 0.615, - 5/8, - 0.62