19) B
20) D
21) A
22) B
23) C
24) C
825
Because when we did that we got
Answer:
x= - 18/7 - 1/7y, y
or if you are solving for y= -18-7x, x
( SEE OTHER IMAGE)
Step-by-step explanation:
See image below:)
Answer:
The answer is 20 hours
Step-by-step explanation:
20x60=1200
1200÷60=20