X-3+7 (x+3) -3x-12 how do you solve it

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

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice

What is the inverse of the function f(x) = 2x + 1?