System of equations

y=2x-3

x+y=18

Write equations for three lines that are parallel to the line y = 22x - 4. Explain how you determined your equation.

Sylvia walked 34 mi east from her house to the bank. Then she walked 13 mi west to a gift shop. From the gift shop, she walked 14 mi west to a grocery store. How far is the grocery store from Sylvia's house?

M = 1, ( - 4, - 6) does anyone know the answer to this

A bag contains purple marbles and green marbles, 31 in total. The number of purple marbles is 1 less than 3 times the number of green marbles. How many purple marbles are there?

What type of data is represented in this scatterplot? A) bivariate B) direct C) indirect D) univariate

Simplify the complex fraction 24/3 11/8

Write 5,000,039 in scientific notation. a) 0.5000039 x 10^-7 b) 5.000039 x 10^-6 c) 5.000039 x 10^6 d) 0.5000039 x 10^7

Barry knows that 6+5=11 what other addition fact does he know?

If x=2 y=9 and z=-5 what is 2 (y+z) (y+z) 3 and (x+y) 2

Which shows a way to take apart 8? 9-9=0 or 9-8=1 or 8-1=7 or 8+8=16 which one