Answer:
1) perimeter = sum of all the sides = 3y+9+2y+4+y+3+2y+4 = 8y+20
2) P = 4(5x-2) = 20x-8
D
A
B
C
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Answer:
B
Step-by-step explanation:
this equation is in the form of ax^2+bx+c
so a is 4, b is -9, and c is 8
rectangle area: length x width
multiply each x-axis with the y-axies then find the mean average
The answer is B the graph would become less steep