1.given the expression 15 plus (48 divided by 4 2) -7 which should be done first?
a.15 plus (48 divided by 4 2) b.(48 divided by 4 2) - 7 c.48 divided by 4 2
d.4 2

2.next,which will you perform?
a.15 plus 48 b.48 divided by 16 c.48 divided by 4 d.4 2 - 7

3.in the expression,7 times 2 3 - 12,which of the following is its value?
a.30 b.39 c.44 d.52

4.what is the value of the expression,5 2 divided by (2 plus 6 - 3) plus 8?
a.13 b.15 c.17 d.19

5.if you simplify the expression, 4 times 6 + 7 - 4,what is the answer?
a.16 b.19 c.24 d.27