Magazines are packed into cartons for distribution. Each hour one person can pack 45 cartons. How many people are needed to pack 1200 cartons

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

What is the slope of the line shown below?