Answer:
38.0
Step-by-step explanation:
because 7.2 x 5.28 is 38.016 or 38.0
24
f(x)=x^2+2x
Let x= 4
f(4)=4^2+2*4
= 16 + 8
= 24
Answer: 2a (7a² - 11).
c
