(e) The price of a block of mahogany, given that a block of spruce costs 5 as much as a block of 9 mahogany, and Ted has bought 12 blocks of spruce and 15 blocks of mahogany for a total cost of $9750.

The equation given is

C(dollars)=w(blocks of spruce)y(cost of spruce)+x(mahogany)z(cost of mahogany)

{0,1,2,3,4,5,6,20,21,22,23,24,25} the distribution is considered to be: skewed the right, skewed the left, not skewed?

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.

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square