Tyrell is going to use ASA to prove that APQR - ASOR. Which of these is a necessary step in Tyrell's proof? A. Prove that ZQPR = 2 QSR by the symmetric property. B. Prove that < PQR = 2 SQR by the symmetric property. C. Prove that PO : by the reflexive property. O D. Prove that OR = OR by the reflexive property .

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a. the profit when the unit price is equal to 0b. the unit price(s) when the profit is equal to 0c. the profit when the unit price is greatestd. the unit price(s) when profit is greatest

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.

Select the correct answer. employee earnings per month($) 1 1,200 2 2,600 3 1,800 4 1,450 5 3,500 6 2,800 7 12,500 8 3,200 which measure of spread is best for the data in the table? a. range b. quartiles c. interquartile range d. mean absolute deviation