James earned 64.38 for working from 8: 00 am to 4: 15 and in that time he took 1 hour , how much does he earn every hour

$8.88

Assuming its 8:00am to 4:15pm and took a 1 hour break then he worked for a total of 7 hours and 15 minutes. In decimals that would be 7.25 hours. We want to find how much he makes in 1 hour. So, because we want to find 1 hour we divide the hours by 7.25 and the money by 7.25.

64.38 / 7.25 = 8.88.

There for, he makes $8.88.

step-by-step explanation: h: (- 3, 6)

m: (1, - 2)

o: (7, 6)

r: (- 9, - 2)

midpoint of hm: (- 1, 2)

midpoint of or: (- 1, 2)

therefore, b is the midpoint of both diagonals bisect each other !

to prove the diagonals are perpendicular, show that the product of the slopes = - 1