You use the substitution method simultaneously. He worked 9h at job A
Constants are anything that is not a variable. A variable is a letter. So think about it... What would be the constants? What is not a letter? TIP: Make sure you include - sign!_
Step-by-step explanation:
(8x8) + (16x16) = 64+256 = 320
√320 = 17.9
Answer:
765854sdfgh
Step-by-step explanation:
Area: (2x - 7) * (3*2 + 4x)
(2x - 7) * (6 + 4x)
8x-42
Perimeter: 2(2x - 7) + 2(3*2 + 4x)