Answer:
8r^4
Step-by-step explanation:

It's 10. I hope this helps!
Answer: C
Step-by-step explanation:
48/64=3/4
a^(4-2)x b^(3-2)x c^(1-2)=a^2xb/c
Answer:
I believe it is b
Step-by-step explanation:
Answer:
10 calories were burned for each minute of jogging and 10 calories were burned for each minute of cycling.
Step-by-step explanation:
Let be "j" the amount of calories Shelly burned for each minute of jogging and "c" the amount of calories Shelly burned for each minute of cycling.
Set up a system of equations:

You can apply the Elimination method: multiply the first equation by -2, then add the equations and solve for "c":

Now, substitute the value of "c" into any original equation and solve for "j":
