A teacher had 21 red pans. If the ratio of red pens to blue pens she owned was was 3:1, how many pens did she have total?

Each paper clip can be traded for three matches. Each pencil can be traded for six paper clips. Three pencils are worth seventeen paper clips.

A patient is ordered 25 mg/kg/day of a drug that comes in 250 mg tablets. The patient weighs 90 kg. The dose is to be divided into 3 daily doses and the patient is to take the medications for 15 days.

Consider the two groups listed below. Which statement describes the sets? the length of a swimming pool the liquid volume of the pool a. he relation (length, volume) is a function, but the relation (volume, length) is not. b.

A set of equations is given below: Equation A: g = 4h + 1 Equation B: g = 3h + 5 Which of the following is a step that can be used to find the solution to the set of equations? 4h + 5 = 3h + 1 4h + 1 = 3h + 5 4h = 3h + 5 4h + 1 = 3h

Factor 2x^2 - 10x - 12. A. 2 (x + 2) (x - 3) B. 2 (x - 1) (x + 6) C. 2 (x - 6) (x + 1)

Use elimination to solve the system of equations. 3x - 5y = - 9 x + 2y = 8

When constructing an angle bisector, why do the arcs intersect?

Clare estimates that her brother is 4 feet tall. When they get measured at the doctor's office, her brother's actual height is 4 feet, 2 inches. Should Clare's or the doctor's measurement be considered the actual height? Explain your reasoning.

What is 2 plus 2 in an equation

The sum of two numbers is 28. The first number is 7 more than twice the second number. Let a represent the first number. Let b represent the second number. What is the second number? Use the table to guess and check.