X - y = 8 and - x + y = 4 solve the equation of linear equations by substitution

A book shop has three times as many magazines as booksThere are 2244 magazines

What is the answer to the root of 180

You are trying to answer a probability question that involves pulling colored blocks out of a bag. In order to do so you are going to use a simulation with a random digits table where the the different colored blocks have been assigned certain

How to write the difference of 2 and the product of 3 and k

A catalog company that receives the majority of its orders by telephone conducted a study to determine how long customers were willing to wait on hold before ordering a product.

7) Cuckoo birds lay their eggs in other species nests and have them raise their young for them. Jeff wondered how different the egg lengths of cuckoo bird's eggs were to the other species.

Solve the equation below for x. 0.2 (3x + 2) + 4 = 26

How can a decimal be converted to percentage?

A parking lot near the sports field holds a total of 52 vehicles. There are 42 cars parked there now. Half of these cars are red, 10 are blue, and the rest are silver. What fraction of the cars are silver?

Which of the following fractions is equivalent to - 6 - (-9) •8