Make sure to show your work and check your answers.

1.Simplify:3 (x^2 - 8x- 7)

2.Simplify: 6a - 4b + 2a

3.Evaluate (5c - 4a)squared - b when a += -1, b = 2, and c = 1

4.Simplify: 7 - 2(3x + 4)

5.Simplify: 5c + (-2d) - 3d - (-4c)

6.Simplify: 7asquared - 2a + 3)4

7.Translate "6less than x" into a variable expression

8.Translate "two-thirds of the total of x and 10" into a variable expression.

9.Baseball Cards A baseball card collection contains five times as many National League players' cards as American League players' cards. Express the number of National League players' cards in the collection in terms of the number of American League players' cards.

10.Calories A candy bar contains eight more calories than twice the number of calories in an apple. Express the number of calories in the candy bar in terms of the number of calories in an apple.