Using the variable​ x, translate the sentence into an equation. Solve the resulting equation. The quotient of a number 4 and 18 is .

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.

The coverage of a base station of a telecommunication company forms a disk with a radius of (kilometers). let be the distance of a cellphone from a base station. assume that the location of cellphones in use are randomly uniformly distributed within the disk. calculate the mean and variance for the random variable.

The difference between the measures of two complementary angles is 14. find the measure of both angles.