1.
What best describes the equation 10 ÷ 4 = 2?
A.
true
B.
none of these
C.
false
D.
open
Hint
2.
Which is a solution to the equation
A.
120
B.
80
C.
5
D.
150
Hint
3.
Which is a solution to the equation 3
y
+ 4 = 10?
A.
4
B.
3
C.
2
D.
1
Hint
4.
What best describes the equation
A.
open
B.
true
C.
none of these
D.
false
Hint
5.
What best describes the equation
A.
none of these
B.
false
C.
open
D.
true
Hint