1.
A mathematical sentence like
b
- 432 = 197 is called a(n) ______.
A.
evaluation
B.
variable
C.
solution
D.
equation
Hint
2.
Solve
6 mentally.
A.
3
B.
2
C.
24
D.
12
Hint
3.
Identify the solution to 34 - 2
z
= 20.
A.
6
B.
8
C.
7
D.
5
Hint
4.
Translate ''a product of a number and seven is 49'' into an equation.
A.
x
+ 7 = 49
B.
x
- 7 = 49
C.
7
x
= 49
D.
49
Hint
5.
When a number is decreased by 16, the result is 64. What is the number?
A.
1024
B.
80
C.
48
D.
4
Hint