Which of the following ordered pairs are solutions to the system of equations below? (3, -7)
(-3, -7)
(3, 7)
(-3, 7)

What is the simplified form of 7 √x • 7 √x • 7 √x • 7 √x?

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step