1.
No.
Equation: x-25=40
Variable represents number of donuts
2.
8/3=x
Variable represents ounces of milk
/ means divided by
3.
50-12=x
Variable represents how many hours you work
Sorry for not doing 4
Answer:
10x9=90
10x10=100
Step-by-step explanation:
The second angle would be 140⁰. When two angles are supplementary, they add up to 180⁰.
180⁰-40⁰=140⁰
He can use it to make sure he lined his place values up properly