The sum of the reciprocal of a number and the reciprocal of 2 less than the number is 7 times the reciprocal of the original number. find the original number.

The variable x has median 20 and interquartile range 10. The variable y is related to x by y = ax - b. Find the relationship between a and b so that the median of y equals the interquartile range of y.

When the distributed property is used to solve 3 (x+5) = 5x-7, what could the next step be?

Write an equation that represents the relationship between the input and output

How much water would you add to 2 1/2 gallons of bleach to make a 10 bleach solution?

Karen is trying to determine how long her 4-year-old daughter should sit in time-out for deliberately pouring her juice on the floor. if she uses the suggested estimate, her daughter will be in time-out for:

Suppose a soup can has a diameter of 10 cm and a height of 12 cm. What is the volume of soup in the can? (to nearest whole number) A) 36 cm3 B) 48 cm3 C) 144 cm3 D) 942 cm3

A grab bag contains 9 nasty teeth and 6 spinners. Bill is the first to select from the grab bag and then Jane selects from the remaining gifts in the grab bag.

Give an example of multiplying a negative and a negative

Definitons: 1) Expand (multiply over brackets) 2) collecting like terms 3) rearranging 4) solving equations

In the expression, 5.28 x 10^3, which number is the base?