How i solve this one

Look at explanation

Step-by-step explanation:

3x - y = 14

-3         -3

x=11

5x + 4y = 12

9xy=12

-9     -9

xy=3

x=1.5 y=1.5

total= 14

Sorry if wrong btw

answer: -2+√x,-2-√x

i hope this , i don't know if you're looking for a pair or not.

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,