Math check my answers

1. Evaluate. 8d - 10 for d = 4
A.32
B.22***
C.26
D.46

2. write an algebraic expression for the sum of 3 coins and c coins.
A.c + 3***
B.c/3
C.3c
D.c-3

3. Find the solution of the equation from the given numbers. x - 2 =16: 14, 18, 21, or 12
A.12
B.14
C.18***
D.21

4.use mental math to solve the equation. y/3 = 6
A.12
B.14
C.18***
D.24

5. Estimate the solution of the equation x – 8.1 = 5.3 to the nearest whole number.
A.13***
B.14
C.4
D.3

6. 14 = t - 44
A.-30
B.-58
C.30
D.58***

7. -30 = j + 50
A.80
B.20
C.-1,500
D.-80***

8. 5x = 45
A.225
B.40
C.8
D.9***

9. -12 = f/0.2
A.-2.4***
B.-0.24
C.-24
D.2.4

Check my answers please

asked by Sid.V
  1. all correct.

    posted by Steve
  2. Thank you Steve

    posted by Sid.V

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