During the period of time that a local university takes phone-in registrations, calls come in at the rate of one every two minutes. what is the expected number of calls in one hour? what is the probability of three calls in five minutes (to 4 decimals)?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!

How can you check that you have correctly converted frequencies to relative frequencies?