**Weegy:** b

**User:** What is the expression for "the difference of 3 and 5 times a number"?
A. 3 - 5N
B. (3 - 5)N
C. 5 - 3N

**Weegy:** a

**User:** Evaluate 3(a + b + c)^2 for a = 2, b = 3, and c = 4.
A.54
B.243
C.729

**Weegy:** c

**User:** Evaluate N2 + 2N + 1 for N = 5.
A. 21
B. 36
C. 51

**Weegy:** b

**User:** Simplify 3 · 2x. What is the coefficient?
A. 2
B. 3
C. 6
D. x

**Weegy:** c

**User:** If x is 6, then 7x = _____.
A.13
B.42
C.42x
D.76

**Weegy:** b

**User:** Find the value of 4 + (27 - 12·2) ÷ 2.
A. 3.5
B. 5.5
C. 19

**Weegy:** a

**User:** Evaluate A^2 for A = 2.3.
A. 4.9
B. 5.29
C. 5.92

**Weegy:** c

(More)8

N^2 + 2N + 1 for N = 5

5^2 + 2(5) + 1

= 25 + 10 + 1;

= 36

Added 7/31/2014 8:31:12 PM

This answer has been confirmed as correct and helpful.

8

3 * 2x = 6x

The coefficient is: 6

Added 7/31/2014 8:36:34 PM

This answer has been confirmed as correct and helpful.

8

If x is 6, then 7x = 42

7(6) = 42

Added 7/31/2014 8:39:08 PM

This answer has been confirmed as correct and helpful.

8

4 + (27 - 12 * 2) ÷ 2

= 4 + (27 - 24) ÷ 2;

= 4 + 3 ÷ 2;

= 4 + 1.5;

= 5.5

Added 7/31/2014 8:41:00 PM

This answer has been confirmed as correct and helpful.

8

A^2 for A = 2.3;

2.3^2

= 2.3 * 2.3

= 5.29

Added 7/31/2014 8:41:41 PM

This answer has been confirmed as correct and helpful.