Solve the system y - 7 = x = - y + 7

Find the reciprocal of the number. Multiply to check your answer. 6 A. 1/6 B. 1 C. 12 D. 36

Factor - 4d 3 + 28d 2 - 4d. - 4d (d2 - 7d + 1) - 4 (d2 - 7d + 1) - 4 (d3 - 7d2 + 1)

A 3-pack of beaded necklaces costs $4.47. What is the unit price? per necklace

Why wont the opposite of a postive number never be a postitive number

Forty tickets were Sold for a lottery. If Lin bought two tickets, what are the chances he will win?

The manager of a baseball team has 15 players to choose from for his nine person batting order. How many different ways can he arrange the players in the lineup. A. 5005. B. 362880. C. 3603600. D. 1816214400

Which rules of exponents will be used to evaluate the expression. Check all that apply. Left-brace (7 Superscript 5 Baseline) (7 cubed) right-brace Superscript negative 4 quotient of powers product of powers power of a power power of a product

A motorboat takes 5 hours to travel 100 kilometers going upstream. The return trip takes 2 hours going downstream. What is the rate of the boat in still water and what is the rate of the current?

the county requires 2 teachers for every 45 students. Write a proportion that gives the number t of teachers needed for 315 students.

Solve inequality. Solve for x. Write the solution in interval notation. |x - 2| = 3