2 hours per hour cause 1/4=15 min 1/2 times 4 equals 2 so 2 miles per hour
Answer:
A
Step-by-step explanation:
X times x is x squared then x times - 2 is - 2x but 4 times x is 4x. So 4x plus - 2x is 2x. Then 4 times - 2 is - 8 put that all together you'll get x^+ 2+2x-8
I suppose you're supposed to convert 100111 from base 2 to base 10. We have

so the missing number is 39.
It would take 10 hours just like it did for Karl .
Answer:
12
Step-by-step explanation:
4y - 2x
= 4(7) - 2(8)
= 28 - 16
= 12