Step-by-step explanation:
part A
y=nx
part B
y=48×x
y=48x
-7!!
I checked on my calculator, since it’ll be too hard to show the work here with my phone :)
0.7 can also be written as 7/10. All you need to do is multiply 7/10 by 1/10. You will get 7/100 which is 0.07
The answer is C. -x^2 - 4x + 5
The perimeter of the frame would be 86