1. Write an expression for 543 reduced by 12. a.543 + 12
b. 543-12
c. 543 x 12
d. 543 #12
2. Evaluate the expression 25 - (10-5) +2'
a.27
b. 28
c. 29
d. 30
3. In 10 x 2 - 15 + 2, which part of the expression would you solve first?
a.10 x2
b.2-15
C. 15 + 2
d. 2 + 15
4. Find the opposite of 64.
a.64
b. +64
c. -64
d. -46
5. Use the order of operations to solve 5 + ( 7 x 3).
a.26
b. 28
C. 30
d. 32
6. Write an expression for twelve boxes of twenty-four.
a.12 + 24
b. 12-24
c. 12 x 24
d. 12= 24
pls help plspls
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