9.21 - (-5.51)
9.21 + 5.51 = 14.72
The distance is 14.72
Rational expressions are multiplied and divided the same way numeric fractions are.
Answer:
2 hours=120 mins
120-(45+25)
120-(70)
50
Ron has enough time to finish his homework and walk the dog before his lesson. Ron should overestimate the total time needed. Since Ron has 50 minutes to spare he could add 25 to home work time and another 25 to walking his dog. he still ha time to do both.
The correct answer is x = 1/28y^2
