For a normal distribution, what percentage of values lies within two standard deviations of the mean?

a. 99.7%

b. 97%

c. 68%

d. 95%

What is 12. Divided by 75

A ball is thrown from an initial height of 2 feet with an initial upward velocity of 29 ft/s. The ball's height h (in feet) after t seconds is given by the following. h=2+29t-16t^2 Find all values of for which the ball's height is 14 feet.

Complete the pairs of corresponding parts if △RST ≅ △TXY. = TX TY XY

The lowest temperature on Thursday was - 20 degrees Celsius the lowest temperature on Saturday was - 12 degrees Celsius what's the difference between the lowest temperatures

Carpetland salespersons average $8000 per week in sales. Steve Contois, the firm's vice president, proposes a compensation plan with new selling incentives.

last year the attendance at the homecoming football game was 300. This year, 360 attended What was the percent increase from last year to this year?

At closing time, the bakery had 2 1/4 apple pie and 1 1/2 cherry pies left. How much more apple pie than cherry pie was left?

Compare 3 7/8 ___ 3 5/6

If Joe works eight hours per week at $10.75 an hour, how much will he make in one month?

Round 0.0695712 to 2 significant figure