True or false: according to the empirical rule, 95% of the data is within three plus or minus standard deviations of the mean.

A triangle has sides of 5,7, and 11. In a similar triangle the shortest is 15 and the longest side is x

Gia spends 2/5 of her moneyon a shirt. She then spends 4/9 of her remaining money on a pair of shoes. What fraction of her money is left?

Solve 2x+3y=12 and x-b-1=17 simultaneously

Jana has a rectangular sheet of cardboard that measures 10 inches by 18 inches. what is the maximum number of 3*3 inch squares that she can form out of this cardboard? A:15 B:17 C:18 D:19 E:20

Evaluate the expression for r=3 15+r=

Distributive property for 144 divided by 8

A two-sided coin (heads/tails) is flipped once, and one card is drawn from a standard 52 deck of playing cards. Calculate the probability of each given situation.

The expected number of heads in 500 tosses of an unbiased coin is:

Write an equation for a line parallel to y = - 5x - 4

Select the postulate that is illustrated for the real numbers. 3 + 2 = 2 + 3