Prove that 3 (x+1) (x+7) - 2x+5) ^2 is never positive

Sara ran 10km in 2.5 hours. Katerina ran 7.5 km in 2 hours. Candice ran 9.5 km in 2.25 hours. Who had the fastest average speed? Justify your

Find the difference 4 2/3-3 1/3.

The smallest hummingbird is the Bee hummingbird. It has a mass of about 1 1 4 grams. The mass of a larger type of hummingbird is about 5 times the mass of the Bee hummingbird. What is the mass of the larger hummingbird?

David is making snack bags for her daughter's field hockey team. she puts 3 4 cup of pretzels, 2 3 cup of popcorn, 1 3 cup of peanuts, and 1 4 cup of chocolate chips in each bag. she wants to make 12 snack bags.

Is a acute triangle a right triangle

Find the area of a square with a diagonal of 8 cm. 16 cm2 12 cm2 18 cm2 32 cm2

What is the answer for this? y = 2 (x - 2) ² - 2

Jeff is thinking of a 5 digit numbers. rick is thinking of a 6 digit numbers. whose number is greater how do you know

Mrs baileys math class is 1 hour and 15 minutes long but next year math class will be shortened to 45 minutes long. how many minutes less are we going to have of math class

How do - 12.5 and - 10.5 compare? choose the correct symbol