Now that conservationists have intervened, the population of the yellow-breasted throat warbler is expected to triple every 4 years. In 2013 there only 12 in existence, in how many years will there 360
in existence?
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Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%