Answer:
if im not wrong im pretty sure its -6
explanation: -8 - -2 = -6
U do 5 times 30 and get 150 then take 15 times 50 and get 750 last take 750 plus 150 and u get 900 cm
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.
Substitute in y= equation into 2nd equation to start.
(2,5)