Annika sells 6 inch pies for $5.00 and 8 inch pies for $9.00 each. last week she sold twice as many 6 inch pies as she did 8 inch pies. she made $133.00 from her sales. annika defined x as the number of 6 inch pies she sold and y as the number of 8 inch pies she sold.

Write an explicit formula that represents the sequence defined by the following recursive formula:

What other information do you need to prove triangle dac=bca by asa

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.