If 2a + 2/a = 4, what is the value of 2a^2 - (2/a^2) ?

If 2a + 2/a = 4, what is the value of 2a^2 + (2/a^2) ?

Using R, answer the following question. The accompanying data set contains quiz scores for 12 students in a chemistry class: 18, 15, 5, 8, 15, 20, 2, 16, 10, 12, 20, 15.

Y = 3x + 19 y = 5x + 33 Solve this system of equation by substitution

7y+25=-24 what is the answer

If I can only spend $15 on a pizza and use the rest of the money to buy soda. If the pizza costs $5 each and you plan to get two pizzas. If thee soda costs $2 each. How much money is left over from buying the two pizzas? How many sodas can you buy?

How would you graph the solution to x/3 ≤ - 2?

A zoo has 151515 Emperor penguins. The Emperor penguins make up 30%, percent of all the penguins at the zoo. How many penguins live at the zoo?

Liam earns $7.50 an hour. His benefits package is equal to 25 percent of his hourly wages. When you include the value of his benefits, how much does Liam earn per hour?

jonah paid $25 for dues to a cub last year. This year he paid $35 for dues. By what percent did his dues increase

A triangular window has an area of 594 square meters. The base is 54 meters. What is the height?

75 ounces in 6 steaks