Astore is having a sale to celebrate president's day. every item in the store is advertised as one-fifth off the original price. if an item is marked with a sale price of $140 what was its original price?

im having trouble with this question. can someone show the answer and explain? ?

The graph of a line gets what as the value of the slope gets bigger

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?

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