Does someone know the answer to the problem below?

  see below

Step-by-step explanation:

The added constant is the value at t=0. It is 47, so only choices A and C make any sense.

A sine function is periodic with period 2π. Here, the period is 4 minutes, so the argument of the sine function needs to be 2π when t=4. That is only the case for choice C.

welll its a very hard question but ill

step-by-step explanation:

first you take the 6 dollars and add 10 to it then add the 50 to that then multiply by 8 with xy and your answer will be

hope this