Solve using substitution.

y = - 2

7x - 4y = 1

If 5 + Y = 12, and you add - 5 to the left side of equation, what should you add to right side of equation? A) - 7 B) - 5 C) 5 D) 7

If 5 potatoes together have a mass of 1 kilogram and 8 pears together have a mass of 1,200 grams, which has the greater mass, a potato or a pear? explain

Ralph is covering a bulletin board with colored sheets of paper. The ratio of the number of sheets of red paper to the number of sheets of pink paper is 1 to 3. How many sheets of pink paper will Ralph need if he uses 3 sheets of red paper? A. 6 B.

A) write a relation for perimeter of a square with side length n centimetres

Use the distributive property to express 14+63 find the GCF of 14 and 63

4. Are the following equations equivalent? 502.36 x 87.2 = 815.2 x 13.04 =

In the formula rt = d, r is is rate t is time, and d is distance what is the rate for a runner who complete 7.5 miles in 1.5 hours?

Describe la situasion de esta expresión - 3+4

What is the answer when k^2 x m, when K=2 and m=5

What is the standard form for the quadratic function? f (x) = (x-3) ^2+5 f (x) = x^2-6x+14 f (x) = x^2+14 f (x) = x^2+6x-4 f (x) = x^2-4