Write correct answer for each. if not I will report. 1. Write an expression for each of the following:

a. the sum of 6 and z

b. the difference between 20 and x

c. 8 less than the quotient of x divided by 6

d. x increased by 5 divided by 4

2. Simplify:

a. 7x + 3x

b. 6s - 3s + 4s

c. 4T - 6T

d. 4xy + 3xy + x

e. (6x)2

f. 6x
xx2x

3. Add or subtract the following terms:

a. (10x) + (22x) =

b. (-6x) - (-6x) =

c. (-13t) + (14x) - (+13t) =

d. (-4t) + (+4t) - (-3t) =

4. Multiply the following signed numbers:

a. (-42x)(+2x) =

b. (+8x)(-4x)(-3x) =

c. (+7)(-4)(-4) =

d. (+10)(-2)(-2)(+4) =