Please answer I need help!!

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

The volume, v, of a rectangular prism is determined using the formula, where / is the length, w is the width, and his theheight of the prism. carltren solves for w and writes the equivalent equation w=using this formula, what is the width of a rectangular prism that has a volume of 138.24 cubic inches, a height of 9.6 inches,and a length of 3.2 inches?

What is the slope of (0,32) and (100,212)