Answer:
...I think this was what you needed?...
Step-by-step explanation:
Input 10 as x,
Add everything in your parenthesis,
and then multiply by 4.
Answer:
(x,y) = (1,9)
Step-by-step explanation:
y = x + 8 and y = 5x + 4
Answer:
x2 − 14x + 49 = 0
Step-by-step explanation:
The height of the dome of the building is given by
. The quantity in the square root should be greater than or equal to 0. We need
.
So the domain is 
Hello
a=2, b=7, c= -30
ac=-60
-60= 12*(-5)
We can see that 12*(-5)=ac and 12-5=b=7
So

Thanks