Expressions

What are all the coefficients in the expression  $4x^2+3x-2$  

• 4

• 3

• 4, 3

• 2

What are the coefficients of the like terms in the expression  $7ab^2+5ab-2c+13ab^2+5c-ab$  

• 7 and 5; 2 and 5; 1 and 13

• -1 and -2; 5 and 2; 5 and 13

• 7 and 13; 5 and -1; -2 and 5

• -2; 5 and 5; 7; 13; -1

Simplify this expression:

-7w + (-6) + 5 + (-9w)

• -2w - 1

• -16w - 11

• -16w - 1

• -2w + 11

Simplify the expression:

-3c + 5r -7r + 8c + 23 - 3r -12

• 5c -5r + 11

• 5c - 15r - 35

• -5c + 5r + 35

• 11c -15r + 11

Simplify the expression:   
5(2 - 7n)

•  52 - 57n
• 10 - 7n
• 10 - 35n
• 10 + 35n