Can anyone help me do this ? i need the work provided also, thank you :)

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

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.

Which strategy is used by public health to reduce the incidence of food poisoning?