How do you show mathematically the total momentum before the collision in trail #1 is conserved after the collision? Trail #1 -> mass 1 - 2.0 kg, mass 2 - 2.0 kg, velocity 1 - 1.5 m/s, velocity 2 - 0 m/s

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

Math each whole number with a rational,exponential expression