Answer:
B
Step-by-step explanation:
The area of the biggest rectangle =

The area of the of the smallest rectangle inside=

Then the area of the shaded region =

So, we choose B.
Answer:
91
Step-by-step explanation:
Substitute 4 in place of x
f(4)=20*4+11
f(4)=80+11
f(4)=91
Answer: 53
:))))))))))))))))
Answer:
d)X=4 or x=-2
Step-by-step explanation:
X²-2x=8
X²-2x-8=0
(x-4)(x+2)=0
X-4=0 or x+2=0
X=4 or x=-2
The answer is 60,000. because it would equal six hundred thousand, and that divided by 10 is 60,000