I believe option 3 is the correct answer! Multiply the (days) by 37.5!
Answer:
(6,4)
Step-by-step explanation:
The equation is in 'point-slope' form.

This means we can identify the point that was used in the equation.

(6,4) would be a solution to the equation given.
Hope this helps.
There appears to be a typing error in the second equation.
Still the answer is (7,10) because it is the only ordered pair that works for the first equation.
Find the unit rate.
39/6 = 6.5
$6.50 an hour
multiply this by ten to find the cost for 10 hours
$6.5 x 10 = $65
she will earn $65 in ten hours.
hope this helps! :D