3 years ago, the ratio of Tom's age to Clemmie's age was 2:7

Tom is now 15 years old and Clemmie is now x years old.

Find the value of x.

What is the y intercept in f (x) = 10-1/4x

What is the coefficient in the expression 85c - - - 5thirds.

The sum of three consecutive numbers is one hundred forty - four. what is the smallest of three numbers

40% of a number is 180

What is - 3/8 + 5/8 =

Function f (x) = ax^{3} + bx - 1, where a and b are constants. In addition, f (2) = 3. Find the value of f (-2).

How do you know that 35x5=5x35 without finding products?

A sample of 49 observations is taken from a normal population. the sample mean is 55, and the sample standard deviation is 10. determine the 99 percent confidence interval for the population mean.

How many meter of cloth is needed if Aling Luding to make 25 pillowcase if each pillowcase needs 95 cm long cloth?

A planet's radius is approximately 1,534 mi. About two-thirds of the planet's surface is covered by water. Enter an estimate for the land area on the planet. Round the answer to the nearest million.