distributie property and multiplying polynomials

What is the simplified version of this expression?  5(a+6)?

• 5a+6

• a+30 

• 5a+30

• 5a−30 

What is the simplified version of this expression?  7(5x -1 )

• 35x+ 7

• 35x - 7

• 35x - 1

• -35x - 7

Use distributive property to solve:

3(2c - 5)

• 3c + 15

• 6c - 15

• 9c - 5

• 6c + 15

Use distributive property to solve:

- ( 8 - m)

• -8 + m

• -8 - m

• 8 + m

Siimplify: 2x ( 3 + 4)

• 14x

• 6x + 4

• 6x - 4

• -14x

 

3x (9 + 2y - 3z)

• 27x + 6xy - 9xz

• 27 + 6y - 9z

• 24xyz

Simplify the expression:
8(4b - 5)

• 32b + 40
• 32b - 40
• 32(b - 40)
• 84b - 85

2(c - 8)

• 2c - 16
• 2c + 16
• 2c - 8
• c - 16

(b + 8)5

• b + 40
• 5b - 40
• 5b + 40
• 5b + 8

(x + 7)(x + 9)

• x^2 + 63x + 16

• x^2 + 16x + 63

• x^2 + 79

• x^2 + 16x + 2