Answer:
84 cm^2
Step-by-step explanation:
Area of triangle + area of rectangle
Area of triangle = 1/2*l*b
= 1/2*8*3= 12 cm^2
Area of rectangle = l*b
= 12*6 = 72 cm^2
Total area= 72+12
= 84 cm^2
Well, volume is: length x width x height
so, 5 x 14 x 8= 560 inches
5(2+x)=5
or, 10+5x=5
or, 5x= -5
or, x= -1
Hope it helps
-4 or -9
-a^2-13a-36=0
(-a-4)(a+9)=0
-a-4=0
a+9=0
a= -4, -9
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