If a varies directly as b, and a = 28 when b = 7, find b when a = 5.

Pamela's age is three times jiri's age. the sum of their ages is 88. what is jiri's age?

What is a expression that contains at least one variable

Factor - 1/9 out of - 1/9x-3.

Express 1.27 as a percent

Janet, Kay, and Lam are hiking. Lam forgot to bring water. Janet brought 2 gallons of water and Kay brought 1 3/4 gallons of water. The three of them agree to divide all the water equally among them.

What is the constant rate of change of the ordered pairs shown below 2. 3 4. 7 6. 11 8. 15

The quotient of a number and five increased by four is 16

The number of calories in a muffin is directly proportional to the amount of sugar in the muffin. If a 200 calorie muffin has 500 grams of sugar. How many calories are in a muffin with 2,075 grams of sugar

Y'+2xy=0 C (e) C (0) = 10 y=C (x)

Which numbers are greater then 4.16