What is y=x-7 3x-3y=21 by solving by substitution

Evaluate 7j+5-8k when j=0.5 and k=0.25

The product of 2 and a number x is 3/4. Which statements are true? Select each correct answer. x=-54 x+2=34 x2=34 x=32 x=38 2x=34

The membership of Imua Gym is $30 / month plus a one-time fee of $100 while Planet Fit is $50 / month and no one-time fee. How do I set up a system of equations to represent the membership costs at both gyms?

You were informed at the nursery that your peach tree will definitely bloom sometime between march 18 and march 30. assume that the bloom times follow a continuous uniform distribution between these specified dates. a.

Perform the indicated operation. 3 + (-4) a 1 b - 1 c 7 d - 7

Solve for n. 0.3 (5-n) = 0.4 - 0.2 (n-7)

A) 6 C) 10.4 B) 12.8 D) 108.2

For f (x) = 24-2x, find f (2) and find x such that f (x) = 10

The distance from the sun to venus is about 1.08 x 10^11 meters. if light travels at a speed of 3 x 10^8 meters per second, about how long does it take light from the sun to reach venus?

What is 3/5 + (-7/5)