Answer:
AND
Step-by-step explanation:
I think the plus sign is supposed to be a x. The attached image contains the work.
Answer:
x=9
y=12
Step-by-step explanation:
. Substitute the given value of x into the equation so... -5(2y-15)+4y=3
. y=12
. Substitute the given value of y into the equation x=2y-15 so... x=2 x 12-5
. x=9
.The possible solution of the system is the ordered pair (x,y) so... (x,y)=(9,12)
Answer:
1.8 million
Step-by-step explanation:
Add everything up to get 9 million, then divide by 5 to get the average of the years. This leaves you with 1.8 million