The sum of a certain number and a second number is -42.The frist number minus the second number is 52.find the numbers.​

About 9% of th population is hopelessly romantic. if 2 people are randomly selected from the population, what is the probability that at least 1 person is hopelessly romantic?

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr

Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b ∠a≅∠d, ab·dg=ac·df, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.