What is the first step in evaluating this expression?
15
+
20
÷
(
10
−
7
)
+
12
A.
Subtract 7 from 10.
B.
Divide 20 by 10.
C.
Add 15 and 20.
D.
Add 7 and 12.
B. Divide 20 by 10.
Which statement is true?
A.
25
−
15
×
4
−
3
×
2
=
30
B.
24
−
15
×
(
4
−
3
)
×
2
=
30
C.
(
24
−
15
)
×
4
−
3
×
2
=
30
D.
(
24
−
15
)
×
4
−
3
×
2
=
66
D. (24 − 15) × 4 − 3 × 2 = 66
The first step in evaluating this expression is to perform the operation inside the parentheses. In this case, we need to subtract 7 from 10. So the correct answer is:
A. Subtract 7 from 10.