Two IT consulting firms have different pricing structures. TechMind charges $115 per hour, plus an upfront fee of $250 for booking an appointment. RiddleBreak doesn't charge for booking an appointment, but the rate is $160 per hour. Let Ci(t) and Cy(t) be the costs, in dollars, of consulting t hours by TechMind and RiddleBreak respectively. (a) Write down expressions for the costs of consulting, C, and C2, in terms of the number of hours, t, charged.
(b) Find the least number of whole hours of consulting from TechMind for its services to be a cheaper option.

For a school newspaper article, cienna conducted a survey to find out students’ favorite subjects. she polled all the students in mrs. lopez’s advanced dance class. why is her data likely to be skewed? honors dance students are more likely to enjoy dance than students in the general population, so dance may be overrepresented. cienna should have interviewed all the students in the school to get more accurate data. honors dance students are more likely to enjoy dance than students in the general population, so dance will be underrepresented. cienna should have interviewed only every other student in the class to avoid having too many people.

For what is the measure of the angle at the top of the shed? a. multiplication of areas b. squaring of areas c. addition of areas d. division of areas

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