2. Evaluate 5(a - 1) + 2(a + 3) where a = 2.

a. -5
b. -8
c. -15
d. 15

3. Evaluate[(x+2) / 3] + 5 when x = 7

a. 8
b. -8
c. 11
d. 15

4. If r = 5, what is the value of 6r - 4.

a. 20
b. 26
c. 30
d. 42

5. If d = 2, e =3, f = 6 and g = 12, what is the value of g/d.

a. 1
b. 4
c. 6
d. 8

6. Evaluate 2a - b + c, using the given values: a = 1, b = 2, c = 3, x = -3, y = -2, z = -1.

7. Evaluate 6 / (abc), using the given values: a = 1, b = 2, c = 3, x = -3, y = -2, z = -1

8. Evaluate ab / y2, using the given values: a = 1, b = 2, c = 3, x = -3, y = -2, z = -1

9. Evaluate ab / y2, using the given values: a = 1, b = 2, c = 3, x = -3, y = -2, z = -1.

10. Find the sum of 6x , 10x, and 22x.

a. 28x
b. 36x
c. 38x
d. 42x

11. Add x3 + 5x - 10 and x2 -3.

a. x3 + 5x -10
b. x3 + 7x2 + 13
c. x3 -5x - 13
d. x3 + x2 + 5x - 13

12. Subtract (5x3 - 7x2 + 20) and (3x3 - 4x2 + x +18)

a. 8x3 + 7x2 + x -18
b. 2x3 - 3x2 - x + 2
c. 8x3 - 7x2 - x +18
d. 2x3 + 3x2 + 2 - 2

13. Add (m + 2n) and (m – 9n)

a. m2 + 7n
b. 2m + 7
c. 2m - 7
d. m2 - 7

14. What is (42−3+7) + (−32−9 −7)?

a. x2 + 12x
b. x2 -12x
c. 7x + 12x
d. 7x - 12x

15. Find the difference between (y3 +5y2+20) and (y3 −12y2+y+4).

a. y3 + 17y2 + y + 16
b. y3 - 17y2 - y -16
c. 17y2 - y + 16
d. 17y2 - y - 16​