A teacher has 21 red pens if the ratio of red pens to blue pens she owned was 3:1 how many pens did she have in total

Find (f-g) (x) for f (x) = 4x-9 and g (x) = 3x^2

You are saving money to buy a new bicycle that costs $155.75. You have $30 and plan to save $5 each week. Your aunt decides to give you an additional $10 each week. a.

At noon, an aquarium contained 20 gallons of water. After several hours, it contained 18 gallons of water. What is the percent decrease in the water of the tank?

What is the answer for - 4 = 5+f

Tom brouht 3 book total of 150 one book cost 50% more than the other two book what price of the more expensive book

Suppose that work hours in new zombie are 200 in year 1 and productivity is $18 per hour worked. instructions: in part a, enter your answer as a whole number. in part b, round your answer to 2 decimal places. a. what is new zombie's real gdp

In a certain normal distribution of scores, the mean is 50 and the standard deviation is 6. Find the z-score corresponding to a score of 60 a. - 1.67 b. 10.0 c. 1.67 d. 8.33

Phillip has x marbles. His father gave him 2 times the number of marbles he has. Now he has 21. How many marbles did Phillip have before?

IThe first three terms of a sequence are given. Round to the nearest thousandth (if necessary). 72, 24, 8, ... Find the 8th term.

A cannery processed 735 pounds of strawberries in 3.5 hours. The cannery processed 2100 pounds in 10 hours. a. Write an equation using function notation to model the weight of strawberries s processed in t hours. b.