The answer is -14 ........
Answer:
The expression is not defined in a set of real numbers.
The square root of a negative number is not defined in the set of real numbers.
Answer:
25 rides
Step-by-step explanation:
has $28.50
15.75 + 0.50r 
28.50
Subtract 15.75
0.50r 12.75
r 25.5
you can't have half rides, so 25 rides
Answer:
infinite
Step-by-step explanation:
If you multiply all factors in the secon eqation by 4, you will get the first eqation.
Therefore for any value of x you can find y, thus having an infinite number of x,y pairs
