An alloy is composed of nickel, zinc, and copper in a5:4:8 ratio. How many kilograms of each metal are needed to make 3.4 kg of this alloy?

Scott has - £16 in his bank account. Every week he gets paid £56 and spends £63. How much will scott have in his account after 2 weeks?

The number of telephone calls that arrive at a phone exchange is often modeled as a Poisson random variable. Assume that on the average there are 20 calls per hour. a. What is the probability that there are exactly 5 calls in one hour? b.

Re-write 90+45 using the distributive property

Write an equation for each of the following problems and then solve. A number increased by 9 is - 21

Do you know why when dividing a fraction by a fraction, you flip and multiple? What does dividing a fraction by a fraction really mean?

Use the distributive property to solve 4 (2x + 9)

The data below shows the average number of text messages sent daily by a group of people: 7, 8, 4, 7, 5, 2, 5, 4, 5, 7, 4, 8, 2, 1, 8 What will be the effect of introducing an outlier in the data? A.

What is the least common denominator of 7/x^2 7/5x explain

What is a random variable

You are making punch for a team party using 3 liquids. You combine 2gallons and 3 quarts of fruit punch, 1gallon and 2 quarts of pineapple juice, land 3 gallons and 3 quarts of orange juice.