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?

The escalator rises 25 degrees from the ground and a vertical distance of 42 ft. How much horizontal distance does the escalator cover? Round to the nearest tenth

The expression below is a sum of cubes 125x3+144

Cual es el fenotipo de la generación de F1?

A ternary digit is either 0, 1, or 2. how many sequences of eight ternary digits containing a single 2 and a single 1 are possible?

Karen ran 1/2 of a mile. serena ran 1/2 of the distance that Karen ran. hkw far did serena run?

Jolene invests her savings in two bank accounts, one paying 4 percent and the other paying 11 percent simple interest per year. She puts twice as much in the lower-yielding account because it is less risky. Her annual interest is 4408 dollars.

If y=3x 2 find the value of y when x=-3

A collection of dimes and quarters is worth $6.50. There are 35 coins in all. How many dimes are there?

155% is equivalent to what fraction in reduced terms

What is 25 percent of 32?