If y varies directly as x, and y = 7 when x = 4, find y when x = 16.

y =

Ardi and lei are both travelling by train. Ardi's train travels 70km in 35 minutes. Lei's train travels 585km. It leaves at 9:05 and arrives at 13:35. Work out the difference in Km/h between the average speed of there trains

What is the probability of throwing a 2 on a dice?

How much water should be mixed with 237 ml of ammonia, whose strength is 100%, in order to create a mixture that is diluted to a 75% strength.

Evaluate the function Find f (4) when f (x) = X to the second power - 4+5

How would i get the letter in 42n alone?

The lengths of the sides of a triangle are three consecutive odd integers. The perimeter of the triangle is 45in. What is the length of the shortest side of the triangle?

Which of the binomials below is a factor of this trinomial? x² - 4x - 12

There are 6 dogs at a doggie daycare on Friday. If 1/3 of the dogs are large dogs, 1/6 of the dogs are medium-sized dogs, and the remaining dogs are small. How many dogs are small?

Describe a pattern and predict the next number in the pattern

In a division problem, the ___ is the number that "goes into" the dividend. (Math Terms)