C=-3. (2c)^3
(2(-3))^3
(2-3)^3
(-1)^3
-1*-1*-1=
-1
The answer would be 10.19m. If you want to round it of to a less precise
measurement it would be 10 m.
15r means that she burns 15 calories per min, for as many mins as she ran. EG: if she ran for 10 min, then she burned 150 cals. The other one I'm not so sure.
Answer:
2/5 of an acre
Step-by-step explanation:
1/2 an acre, or 5/10 of an acre, is subtracted from 9/10 of an acre
4/10 can be simplified into 2/5 if divided by two
