Shaded=big rectangle-white rectangle
area recangle=base times height=(x+10) times (2x+5)=2x²+25x+50
area white=(x+1) times (x+1)=x²+2x+1
big-white=(2x²+25x+50)-(x²+2x+1)=
2x²+25x+50-x²-2x-1=
x²+23x+49
de area is x²+23x+49
Answer:
24
Step-by-step explanation:
12 miles is done in 30 minutes, so if you multiply 12 x 2 (because 30+30=60 and 60 minutes = an hour) you would get the answer of 24.
Answer:
Yes, the x value is increasing by one every time, and the y value is decreasing by 3 every time.
Step-by-step explanation:
