Acoin is flipped 18 times and it comes up tails 12 times. what is the experimental probability of the coin's comping up tails

What is the slope of the line shown below?

What is the cube root of -1,000p^12q3? -10p^4 -10p^4q 10p^4 10p^4q

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?