Need help Which is the best first step when solving the following system of equations?
50+40= 10
3c+20= 16

A. Multiply the first equation by -2.

B. Solve for d in the second equation.

C. Solve for c in the first equation.

D. Multiply the second equation by -2.

differnt varibles efect the range

step-by-step explanation:

both equations and proportions are better.

cant see photo

step-by-step explanation:

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!