Betty had $40 in her pocket. she bought 12 identical bags of popcorn. betty was left with $10 after buying the popcorn. what was the price, in dollars, of each bag of popcorn? 0.55 2.50 4.17 5.20

Identify the conclusion of the conditional statement. if you live in phoenix, then you live in arizona.

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

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.