To determine the size of a sample, the standard deviation of the population must be estimated by either taking a plot surveying or by approximating it based on knowledge of the population.

a) true

b) false

A math club had 4 members in its first year. It had 19 members in its fourth year and 29 members in its sixth year. Assuming a constant rate of increase, how many members will the math club have in its thirteenth year?

If we roll a six-sided die three times how many outcomes have exactly one 1 or exactly one 6?

Carle is cutting pieces of string that are exactly 24 3/8 inches long. How many pieces can she cut from a ball of string that has 100 feet? 1 foot = 12 inches

Seth travel 1 mile in 57.1 seconds about how fast does earth travel in miles per hour

Which digits can replace the_ to make a true statement? 6,456<6,_12<6,788

When a number x is multiplied by 6, the result is 3/8

A Ladder that is 32 ft long leans against a building. The angle of elevation of the ladder is 70. To the nearest tenth of a foot how high off the ground is the top of the ladder? A. 20.3 ft B. 10.9 ft C. 26.2 ft D. 39.1 ft

Given that |-6| > 5, which statement is not true? -6 is farther from 0 than 5 is on the number line -6 is greater than 5 5 > - 6 6 > 5

Mr. Thaxton has two daughters. The sum of their ages is twenty-one. The product of their ages is one hundred ten. How old is Mr. Thaxton's youngest daughter? A. 9 B. 10 C. 11 D. 12

Which rational expression is equivalent to 1 / (x+4) + 3 / (x-5)