Thirty percent of all the students in a school are in a play. all except for 140 students are in the play. how many students are in the school?

The amount of energy it takes to lift a box might be a function of which of the following

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244

Determine the area of a triangle with (see picture below)