Math check my answers
posted by Sid.V .
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.c3
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
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