An alloy is composed of nickel, zinc, and copper in a ratio of 7:2:9. How many kilograms of each metal are needed to make 3.6 kg of this alloy?

Find the slope of the line through (-9 - 10) and (-2 - 5)

A circle pond of radius 6m is surrou

Uli correctly combined all like terms in the expression 5x+6-4y-3+3x-2 to write an equivalent expression. What is the coefficient for the x terms in the equivalent expression?

Roulette: A Nevada roulette wheel has 38 pockets. Eighteen of them are red, eighteen are black, and two are green. Each time the wheel is spun, a ball lands in one of the pockets, and each pocket is equally likely.

Find f (-2) if f (x) = x4 + 2x² - 1

A sandwich costs $0.75 more than a container of milk. A customer buys 4 sandwiches and 4 containers of milk. The customer pays $7.00. What is the cost of a sandwich?

two trains are 550 miles apart heading toward each other on parallel tracks. Train A is traveling east at 35 miles per hour, while train B travels west at 45 miles per hour. When will the trains meet each other in their respective tracks?

How do you expand (x-4) ^2?

19. How many 2-inch segments are there in 12 ft.? A. 24 B. 72 C. 10 D. 6

What is the perimeter of the rectangle shown below? apex algebra 1 sem 1 unit 6