PLEASE 10 MIN LEFT: right a equation for each slope

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

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

The ratios of boys to girls on a soccer league is 2: 5. if there are 28 boys, how many girls are playing soccer? extra points! will mark as brainiest asap