Answer:
D. 3
Step-by-step explanation:
I mathed it
Answer:
12 in.2
Step-by-step explanation:
The formula for a triangle is b*h/2
3*8 = 24
24/2 = 12
Answer:
65
Step-by-step explanation:
The area of the square is
and the area of a single triangle is
.
The total area is the square plus the 4 triangles 
Answer:
90 calories in a banana.
Step-by-step explanation:
O = B - 20 where O is the number calories in an orange and B is a that in banana.
Also 7B = 9O
From the above O = 7B / 9 so substituting in the first equation:
7B / 9 = B - 20
7B = 9B - 180
2B = 180
B = 90.
Answer:
9x
Step-by-step explanation:
-4.5X(-2)
-4.5x * -2
9x