What's the percent of increase from 12 inches to 36 inches

Joe owes his sister Lisa $12 and his sister kelly $18 his brother David owes joe $20. Joe writes the number - 12 to represent the amount of money he owes what numbers should joe use to represent the other amount of money given above?

Solve the equation and express each solution in a + bi form. X^4-8x^2-48=0

Which type of correlation would you expect to see between the weight added to a barbell and the number of times that barbell is lifted? A. positive correlation B. negative correlation C. no correlation

What is the value of the expression - 11/12-4/9+1/2

Angela owns a set of 6-inch tall glasses. Each glass has a diameter of 3 inches. Angela has three people over for dinner. Each guest will be served a full glass of milk. How much milk will Angela need?

What is the simplify expression of 9a-4 (2a+5)

How many solutions does 3 (x+5) = -4x+8 have

Emlilio bought 5.65 pounds of green grapes and 3.07 pounds of red grapes. he divided the grapes equally into 16 bags. if each bag of grapes has the same weight, how much does each bag way?

What is 30% of 96 and is it a

A red light flashes every 14 minutes. A blue light flashes every 24 minutes. When will the two light flash together again, if they last flashed together at 8:00 am?