Juan says that 8, 1 3/4, and -12 are all integers. is he correct? explain your answer. me fast

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48