the ages of a sample of 25 salespersons are as follows: 21 24 24 26 28 28 30 30 31 32 34 34 35 36 37 38 40 41 43 45 45 45 47 53 56 manually draw a frequency histogram with six classes using range interval from 20 to 56. if there are one or more observations that fall on the boundary between classes, then count them as members of the left class. how many observations fall into the 5th class?

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

Which of the following describes how to translate the graph y = |x| to obtain the graph of y = |x+1|+1? shift 1 unit left and 1 unit down shift 1 unit left and 1 unit up shift 1 unit night and 1 unit down shift 1 unit nght and 1 unit up

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a