What is the exact area of a circle whose diameter is 14 cm?
a.
14 straight pi cm2
b.
28 straight pi cm2
c.
49 straight pi cm2
d.
196 straight pi cm2

How to write 3 tenths and 5 tenths as a decimal

Select the two pairs of figures that are similar.

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.