Which expressions are equivalent to 4(4a+5) Select 2 correct answer(s)
Question 5 options:

16a +5

2 (8a+10)

16a 5+4

16a +20

12a +20+4a

the answer is:

the correct option is the option b.

to calculate the surface area of the right cylinder, we need to use the following formula:

from the picture we know that:

so, substituting and calculting we have:

hence, we have that the correct option is the option b.

have a nice day!

t= half of the arc subtended by t.

r= half of the arc subtended by r.  

t+r= half of the arc subtended by t + half of the arc subtended by r= half of 360=180

step-by-step explanation:

ιт ιѕ 12 αв

нσρє ι ¢συℓ∂ нєℓρ уα