121^4-49
(11^2+7)(11^2-7) 1. 121. 49
11. × 11. 7 × 7
Answer:
Step-by-step explanation:
It says Renita takes minutes to ride half a mile.
She leaves 30 minutes before school.
Total distance is

In

Therefore total time to reach school will be 5 x 5 = 25minutes.
Since she leaves 30minutes before school. She will reach 5minutes early before school.
Plug the given x and y values (x, y) into the equations and solve
It look like the second equation is the answer.