The mean life of a tire is 30,000 km. The standard deviation is 2000 km. 95% of all tires will have a life between___ km and ___km.

The product of 7/16,4/3, and 1/2 is

What is 2X + 7 = 5X - 8

Martin buys 3 hardcover books and 4 paperback books for $6.50. Anna buys 2 hardcover books and 6 paperback books for $6.00. What is the cost, in dollars, of each hardcover book?

What is the difference - 2 1/4 - (-3/4) =

Jerry bought 9 gallons of gasoline for "D" dollars per gallon. Steve purchased the same amount of gasoline, but at a price that was $0.13 more per gallon than Jerry. Write an expression the represents how much Jerry pays in total for the gasoline

Explain how you know wether to choose grams or kilograms when measuring mass. Name an object you would measure each unit.

16:07:48 marks: Question: 1/20 The graph of which equation would be a circle with a center at (2.3) and a radius of 7? A. (x + 2y = (y - 3) = 7 B. (x - 2) = (y + 3) = 7 C. (x - 2y + (y + 3) 2 = 49 D.

Samuel wants to estimate what 5843 x. 00243 is. What should his first step be?

A jar contains 2 green marbles, 4 blue marbles, 3 yellow marbles, and 2 black marbles. A marble is chosen at random from the jar and replaced. Then a second marble is chosen at random.

10. A house painter can finish a house in 6 hours. His partner can finish the same house in 12 hours. Which of the following is the number of hours it would have taken them to finish painting the house if they had worked together? A. 3 hours B.