If a is a rational number and b is a rational number, why could c be an irrational number?

13501 rounded to the nearest 10000

Which relation is a function? A. (6, 5), (1, 1), (6, 4) B. (0, 1), (2, 3), (2, 5) C. (8, - 2), (-2, 5), (6, 0) D. (-2, 3), (-5, 9), (-5, 3)

Find the product 27*60 then explain how would you use mental to find the product of 27*600

A can of lemonade comes with a measuring scoop and directions for mixing are 2 scoops of mix for every 30 cups of water. How much water is needed to make the entire can of lemonade if there are 40 scoops of mix?

Which ordered pair is a reflection of (3,7) across the x-axis?

You go to a restaurant with four other people the total food is $43.85 you need to add 5% for tax and 15% for tip if you decide to split the bill evenly estimate how much you okay

Can you tell me a quick way to solve this problem 2/7m-1/7=3/14

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.