Answer: Robert and Chris can skate 10 miles in 45 minutes.
Step-by-step explanation:
Let's start by finding the unit rate.

Robert and Chris can skate
of a mile in 1 minute. Now we can multiply both by 45 to see how far the can go in 45 minutes.

45x1=45
The can skate 10 miles in 45 minutes.
3(x+6)>8-(x-7)
3x+18>8-x+7
2x+18>15
2x>-3
X>-3/2
O.533333333,basically 8 divide by 15
Answer: angle KAL = 90°
Step-by-step explanation: The decision on a photo