Answer:
easy
Step-by-step explanation:
-7 not in domain
0 is in domain
7 is in domain
Answer:
83%
Step-by-step explanation:
To convert fraction to percents, you have to divide the numerator by the denominator.
So 50 divided by 60 = .833333333333333
Now you have to convert this decimal to a percent by moving the decimal point 2 spaces to the right.
83.333333333%
On tests they usually round percents to the nearest whole percent.
So it would just be 83%
Answer: 
Step-by-step explanation:
You can use the Method of substitution.
Substitute the equation 
into the equation 
and then you must solve for the variable x:
Apply Distributive property:
Subtract 12 from both sides of the equation and then add the like terms. Then you get:
Answer:
10
Step-by-step explanation:
