The average adult breathes in about 37 L of air every 5 minutes. What is the rate of change of volume of air?

C (n) = - 3n-6. C (n) = n-4

Greatest common denominator of 72 and 8

A light bulb consumes 960 watt-hours per day. How many watt-hours does it consume in 4 days and 6 hours

A percent is a fraction whose denominator is 100. Always Sometimes Never

Simplify the square root of (1-cos theta) (1+cos theta)

Nicole has $9 to spend on cards. She finds friends with the same amount of money to split the cost of a set. One set costs $27. Each friend gets the same number of cards. How many cards does each friend get?

find the variation constant and an equation of variation where y varies directly as x and y=45 when x=5

Every day, Bert spends an hour commuting to and from his office, driving at an average speed of 50 mph and taking the same route each way. How far does Bert live from his office?

Write this number in standard form. 7 millions, 14 hundred thousands, 8hundred, 2 ones

One morning in Helena, Montana the temperature was 12 degrees Fahrenheit ( f. below zero. By noon the temperature had risen 25° f. Which expression can be used to find the temperature, in degrees F, at noon that day in Helena, Montana?