Answer:
2
Step-by-step explanation:

Answer:
No, because 3 x 7 = 21 - 4 = 17
Step-by-step explanation:
Answer:
a). 8(x + a)
b). 8(h + 2x)
Step-by-step explanation:
a). Given function is, f(x) = 8x²
For x = a,
f(a) = 8a²
Now substitute these values in the expression,
= 
= 
= 
= 8(x + a)
b).
= 
= 
= 
= (8h + 16x)
= 8(h + 2x)
56 dived by 2 equals 28. 28=green ribbon. Brown ribbon is 4 times as long. 28 times 4 equals 112. The brown ribbon is 112 cm long.