One half of a number added to two thirds of the number is 21. Find the number and show your work

Suppose that the x-intercepts of the graph of y=f (x) are 4 and 8. What are the x-intercepts of the graph of y=f (x+5)

The annual rainfall (in inches) in a certain region is normally distributed with = 40 and = 4. What is the probability that starting with this year, it will take more than 10 years before a year occurs having a rainfall of more than 50 inches?

5/6 divided by 7/8 answer has a fraction

Which angle measure below is not a possible measure of an exterior angle of a regular polygon? 45° 36° 40° 54°

A plant is 20 in tall if the plant grows to H in each week for the next 4 weeks and H inches for each of the two weeks after that which expression shows the height of the plants in inches after 6 weeks

4 is 2% of what number

In a study of births from New York State, data were collected from 4 hospitals and coded as follows: (1) Albany Medical Center (1438) Bellevue Hospital Center (66) Olean General Hospital (413) Strong Memorial Hospital What is the level of

Write a number between 1 and 50 that has at least 8 factors. B.) Write the factors.

Lily quinn makes $12.50 and hour. she works four hours on monday, six hours on tuesday, nine hours on wednesday, three hours on thursday, and seven hours on friday. what is her gross pay.

Dana loves rocks! She has 6 pieces of granite, 3 pieces of marble, 14 pieces of sandstone, and 1 piece of slate. What is the ratio of pieces of sandstone to pieces of marble in Dana's collection?