the cost of a pen is 3 times the cost of a pencil and cost of a notebooks is four times that of a pen. If the cost of 6 pencils, two pens, and one notebook is $18, what is the cost of 1 pen?

Manuel bought 9 pounds of apples. He has eaten three fourths of a pound so far and has $15 worth of apples left. Write and solve an equation to find the cost of the apples per pound to the nearest dollar. How much did the apples cost per pound?

Diego says that the product of 0.51 x 2.427 will have five decimal places. is Diego correct.

An airplane is heading due north at 800 km h when it encounters a wind from the northeast at 100km h, what is the ground velocity How would we solve this question and what are the steps we need to take

There is 1 in. of water in a pool. The water level is increasing at 0.75 in./min. Which linear equation represents the total depth of the water, in inches, after x minutes? A. 1+y=0.75x B. y=0.75x+1 C. y=0.75x D. x=0.75y

You work for a pet trainer who has asked you to create a rectangular pen for dog training purposes. you will use chicken coop wire to construct the sides of the pan. The pen is supposed to be 42.6 feet long and 28.5 feet wide.

Number that best completes sequence 3 9 4 5 25 20 21 441

How many inches are in 12 ft? A. 1 inch. B. 24 inches. C. 120 inches. D. 144 inches

Each week Richard Studies for 12 hours. His friend Gary studied for 8 hours a week. How many weeks will it take Gary to study the same number of hours Richard will study in 4 weeks.

The area of a triangle whose height is 1 more than 6 times its base is 13 square feet. If the base of the triangle is x feet, which equation models this situation? 1) 6x^2+x-12=0 2) 6x^2+x-13=0 3) 6x^2+x-26=0 4) 36x^2+6x-26=0

F (n) = n-5 g (n) = n-4 find f (n) * g (n)