N a hearing test, subjects estimate the loudness (in decibels) of a sound, and the results are: 68, 67, 70, 71, 68, 75, 68, 62, 80, 73, 68. what is the mean?

Divide. A kindergarten teacher purchased 18 yards of ribbon. She cut the ribbon into several pieces, each 3/4 yard long. How many pieces did she get? a 6 b 13 c 28 d 24

3! = a 24 b 9 c 6 d None of the above

A snack mix recipe calls for 2 1/2 cups of pretzels, 4 1/2 cups of dry cereal, 2 1/4 or peanuts, and 3/4 cups of raisins. If you want to make servings of 3/4 cup each, how many can you have with those ingredients?

Write 2 numners that are equivalent to 43/8

For each expression, write an equivalent expression that uses only addition. 4x-7y-5z+6

What is the sign of the product (-7) (-2) (-5) (1) ? Select one: a. Positive, because the products (-7) (-2) and (-5) (1) are negative, and the product of two negative numbers is positive b.

Whats the factors of 3x2+4x+1

From the sample population of students with blond hair, what is the relative frequency of students with green eyes?

Solve: 5x - 7x + 6 = - 2 (x - 3).

Select thee values of r below that represents a low key no correlation 1) 0.8 2) 0.3 3) 0.1 4) - 0.2 5) - 0.5 6) 1 7) - 0.001