1. If four times a number plus 3 is 11, what is the number?
A. 16
B. 5
C. 4
D. 2

Four times a number plus 3 is 11, 4x + 3 = 11 where x is the number 4x = 11 - 3 = 8 x = 8/4 = 2 The number is 2.

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Asked 1/20/2015 10:25:58 PM

Updated 1/20/2015 10:51:11 PM

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Four times a number plus 3 is 11,

4x + 3 = 11 where x is the number

4x = 11 - 3 = 8

x = 8/4 = 2

The number is 2.

4x + 3 = 11 where x is the number

4x = 11 - 3 = 8

x = 8/4 = 2

The number is 2.

Added 1/20/2015 10:51:11 PM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [1/20/2015 11:05:26 PM]

20. Will bought 3 college textbooks. One cost $32, one cost $45, and one cost $39. What is the average price of his books? Choose the statement that correctly calculates the average.
A. 3 × $32 + $45 + $39
B. $32 ÷ 3 + $45 ÷ 3 + $39
C. ($32 + $45 + $39) ÷ 3
D. $32 + $45 + $39 ÷ 3

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Not Answered

Updated 1/20/2015 10:54:22 PM

1 Answer/Comment

3. If 3 times a number minus 2 equals 13, what is the number?
A. 2
B. –6
C. 5
D. 4

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Updated 1/20/2015 10:49:08 PM

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5. Solve this equation: 4y + 228 = 352.
A. y = 3
B. y = 145
C. y = 31
D. y = – 31

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Updated 1/20/2015 11:59:48 PM

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17. Simplify this expression: 13 + (–12) – (–5) = ?
A. –30
B. 6
C. –6
D. 30

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Updated 1/20/2015 11:07:40 PM

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13 + (–12) – (–5) = 13 - 12 + 5 = 1 + 5 = 6

Added 1/20/2015 11:07:04 PM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [1/20/2015 11:08:10 PM]

16. Given the formula E = IR what is the formula for R?
A. R = I ÷ E
B. R = EI
C. R = IE
D. R = E ÷ I

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Updated 1/20/2015 11:07:56 PM

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