Is (5, 5) a solution to this system of equations?

2x + 2y = 20

x + 3y = 19

What is The sum of five times z and four, divided by two, is seven

Triangle XYZ is reflected about the y-axis What are the coordinates of X'?

The sigh of the product of two integers with the same sign is positive. What is the sigh of the product of three integers with the same sign? Explain your thinking.

Write the ratio 42 inches to 9 feet as a fraction in simplest form. Explain why you get the same result whether you convert feet to inches or convert inches to feet.

Jon and Jim painted a fence. Jon painted 14 of the fence and Jim painted 512 of the fence. How much of the fence did they paint total?

Rita and Tina each make $11 an hour working as cashiers at a supermarket. Last week, Rita worked r hours while Tina worked t hours. Rita also worked overtime hours during the week, for which she was paid an extra $32 flat wage.

Show how to solve the problem 378*6 using place value with regrouping. Explain how you knew when to regroup

Determine whether ⊂, ⊆, both, or neither can be placed in the blank to make the following true. {prosciutto, olives, kumquats, liver, mushrooms, quail} ___ {mushrooms, kumquats, liver, prosciutto, quail}.

Marci mailed nine letters at the post office. Each letter weighed 3.5 ounces. What was the total weight of the letters

1/3 (12 - 24v) = - 2 (4v - 2)