Please help i can’t figure this out

7(4+t) - 5(t+1) =

Find two rational expressions that have the difference of 2-n/n-4

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.