Mary is a scientist. using a microscope, she looks at a salt crystal and discovers it is shaped like a cube. each square face has side length 0.1\text{ mm}0.1 mm0, point, 1, space, m, m.

What is 1/2 x (6 x 4)+3 + 2 show your work

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

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