Rewrite with only sin x and cos x. cos 3x

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

The salesperson earns a 5% commission on the first $5,000 she has in sales. the salesperson earns a 7.5% commission on the amount of her sales that are greater than $5,000. this month the sales person had $8,000 in sales. what amount of commission, in dollars, did she earn?