Will the product of a positive number and a negative number be positive or negative? Why? PLEASE HELP1!1!1!1!1!

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?