If you toss 9 fair coins, in how many ways can you obtain at least one tail ?

List two ways the force of gravity can be increased.

What is the first quartile, Q1, of the data set? {23, 28, 28, 36, 56, 60, 61, 65, 70} Enter your answer in the box. Q1 =

Nick gets out of school at 2:25 p. m He has a 15 minute ride home on the bus. Next he goes on a 30 minute bike ride. Then he spends 55 minutes doing homework. At what time does nick finish doing his homework

Four members from a 50 person committee are to be randomly selected to serve as chairperson, vicechairperson, secretary, and treasurer.

List and explain as many methods as you know for estimating an answer to an additional problem.

It takes 3/4 yards of ribbon to make a bow how much ribbon is needed to make 7 bows

Joaquim earns a salary of $4,000 per month plus a 6% commission

A shelter kept track of the number of dogs adopted each day for three weeks. Use the table to find the statistical measures. Mean: Median: Mode: Range: Number of dogs adopted: 3, 3, 4, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 9 Total: 132

If s and t are integers greater than 1 and each is a factor of the integer n, which of the following must be a factor of n^{st}? 1) s^t 2) (st) ² 3) s+t A) None B) 1 only C) 2 only D) 3 only E) 1 and 2

In the scientific method before conducting an experiment it is necessary to