Duke goes to target to buy some socks. Each pair of socks costs $3.49. The cashier gave duke $4.06 change from his $25. How many many pairs of socks did he purchase?

Solve 2cos^2x + cosx - 1 = 0 for x over the interval [0, 2 π). a.π and π/3 b.π, π/3, and 5π/3 c. 1 and 2π/3 d. 1, 2π/3, and 4π/3 e. 1, π/3, and 5π/3

Priya wants to buy three tickets for a concert. She has earned $135 and each ticket costs $50. She burrows the rest of the money she needs from a bank and buys the tickets.

A boathouse costs $2800 a month to operate, and it spends $750 each month for every boat that it docks. The boathouse charges a monthly fee of $900 to dock a boat.

Which pair of numbers have a GCF of 7? Choose all answers that are correct. A. 7 and 14 B. 7 and 1 C. 28 and 7 D. 21 and 3

What is the sum of 3/x + 4/x2

A fish-tank has a length of 45 centimeters, a width of 25 centimeter and a depth of 10 centimeter. Find the volume of the fish-tank, 10250 cm3 11250 cm3 10250 ft3 11250 ft3

Last fall Zeke planted six bulbs in the ground, which in the spring would grow into 2 yellow flowers, 2 purple flowers, and 2 red flowers. What is the probability that the first two flowers that come up in the spring are 2 yellow flowers?

2. What can be used to describe the function graphed? y=3x+2

A factory can produce two products, x and y, with a profit approximated by P = 14x + 22y - 900. The production of y can exceed x by no more than 100 units. Moreover, production levels are limited by the formula x + 2y ≤ 1,400.

What is the greatest common factor between 8x and 40?