Solve the equation. Then check your solution. 15 (negative 42 x + 40) = 15 (negative 8 x + 244)

a.

â€"6

c.

6

b.

0.7

d.

3

Please select the best answer from the choices provided

A

B

C

D

Which of the following transformations does not preserve congruence? * 5 points a. (x, y) → (y − 3, x − 3) b. (x, y) → (x + 5, y − 1) c. (x, y) → (y + 9, −x + 2) d. (x, y) → (3x + 1, 3y − 2)

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?