F varies jointly as M1 and M2 and inversely as the square of d. A. Find the proportionality constant when F=20,[..]

The electrical resistance of a wire R varies directly at its length L and inversely as its cross sectional area A.[..]

Write the linear function for the line with slope -3/2 that passes through the point (4, -5) and graph the function.[..]

explain the strategy for determining the equation of a line when you are given two points

You and three (3) of your friends were in the same advance placement high school chemistry class in high school. All[..]

a chemist mixes a 10% saline solution with a 20% saline solution to make 500 milliliters of a 16% saline[..]

use the method of successive diffrences to determine the next term in the sequence. 20, 36, 56, 80, 108,...

peter has $4.10. if 30% of the coins are dimes and the rest quarters, how many of each type does he have?

the sum of ben and carols age is 36. 9 yrs ago, ben was twice as old as carol. how old is each now?

The height of 5 men are 1.75m, 1.65m, 1.53m, 1.55m, and 1.35m. What must be the height of the sixth person,such that[..]