saseflower

(t - 8) - (t + 15)

Distribute the - sign to (t + 15)

(t - 8) - t - 15

Simplify the variables first

-8 - 15

Simplify

-23

I'm not really sure if this is solvable or if I did it correct, but there you go :)

I'm not sure if this is math, but it depends. While you are running, it may go down if you are running at a steady and comfortable pace, but right after you finish, your heart beats per minute will slowly go up

I believe this is correct, not very sure though because it's just off the top of my head :)

56/8 = 7

Next time it might be easier and faster to use a calculator :)

If you mean 3^27, that equals 7625597484987

But if not, then I'm sorry I don't know, but maybe someone else can help you :)

8 1/4 - 5 3/5

Turn both fractions into improper fractions

33/4 - 28/5

Now find a common multiple by multiplying 33/4 by 5 over 5 and 28/5 by 4 over 4

165/20 - 112/20

Subtract

53/20

Since you can't simplify any more, you're done! :)

4 + 3(3 - 16) = 95

Distribute

4 + 9 - 48 = 95

Simplify

13 - 48 = 95

Simplify again

-35 = 95

Since these two numbers do not equal each other, the answer is:

No Solution

If you graph the numbers, it should be able to tell you who walked faster. I would graph 18 minutes multiple times until it reaches past 132. I would also put the minutes as the x axis and the miles as the y axis. I'm not really sure if this would be correct, but that is how I would figure it out. I apologize ahead of time it is isn't :)

It is completely fine for a decimal to be negative :)

I believe it is directly proportional

Oh I'm sorry CPhill I wasn't thinking! I'll be more careful next time