Solve using substitution.

y = x + 2

y − x = 8

sec. 8.2 #30

solve using the elimination method.

5x − 3y = 8

-5x + y = 4

i tried solving but the x's in the first problem cancelled each other out and now i'm confused

Which table shows a proportional relationship between miles traveled and gas used?

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices