the amount of sales tax varies directly with the cost of the purchase if the sales tax is 2.40 on a purchase of 40.00 what would be the sales tax on a purchase of 60.50

If JL=17 and KL=15 what is JK and JM?

Of a group of students, 5/8 of them are boys. The girls are put into groups so that each group has 1/16 of the total number of students. How many groups of girls are there?

Q 4.6: In a survey of 1,000 adults living in a big city, 540 participants said that they prefer to get news from the Internet, 330 prefer to watch news on TV, and 130 are rarely interested in the current news.

Which statement explains the type of function that is represented by the equation y=x^2+9?

Explain how to write a function rule from the table below. Then write a function rule. x 2 4 6 y 1 0 - 1

Solve this equation. 100t = - 35

What is 8 divided by 3/5

Alex earns $20 each week, and he deposits half of it into his savings account. At the end of the year his parents add as much as he saved on his own. If the account has 15% simple interest, how much does he have in his account in one year?

Suppose that the scores, X, on a college entrance examination are normally distributed with a mean score of 560 and a standard deviation of 40.

Find the volume of the solid bounded above by the plane z = y + 8, below by the xy-plane, and on the sides by the circular cylinder x2 + y2 = 64.