Which equation results from adding the equations in this system? - 8 x + 8 y = 8 3 x - 8 y = - 18

How many sixteenths are in 3 3/4?

4x - 2y=-1 -4x + 4y = - 2

What is the frequency of the function f (x) ? f (x) = -2sin (x/4) + 3 Express the answer in fraction form.

Describe how the area of a triangle is related to the area of a parallogram with the same base and height.

Grade 6 students sold 318 tickets for a school pay. The number of adult tickets was six more than three times the number of student tickets. How many adult tickets were sold?

Can you guys give me step by step on how to solve this ... ik the answer. "infinitely many solutions" I need the STEPS 5 + x - 12 = x - 7

A company's sales decreased by 8% this year, to $9015. What were their sales last year? (Round your answer to the nearest penny.) My answer was 9,736.2, but the correct answer was 9798.91. Could someone explain how did they get to 9798.91?

Find the difference (2ab+7a+1) - (8ab+9)

Use four 8's to make 8

Terri brought 1.74 meters of rope. Gracie brought 1.64 meters of rope. Who brought more rope