Which of the expressions below can be factored using the difference of
squares method?
O A. 9x2-16y2
O B. 9x+16y
O C. 9x-16y
O D. 9x2 + 16y2

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

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 length of the normal and the angle it makes with the positive x-axis. (see pictured below)