Solve the system of equations by substitution: x=2
X+y=10

A. X=2 and y=10
B. x=2 y=4
C. X=2 and y=8
D. X=10 and y=2

Diana is painting statues. she has 7/8 of a liter of paint remaining. each statue requires 1/20 of a liter of paint.how many statues can she paint? yeah dad i added the cup to the door now will you stop emailing me while im doing my homework.(lmbo xd i just realized this wooow)

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)