Which quadrant contains the vertex of the following: f (x) = - 2x² - 8x+11

At a furniture store, sierra paid 1275 for a sectional sofa that originally cost $1500. A) Calculate the dollar amount of the discount. b) calculate the percentage discount rate

Brian saved 30% of the money he earned. If brain earned $260, how much did he save?

Is 0.4 less than, greater than, or equal to 44% and why?

5^-2 written as a positive exponent

Daniel is 16. His parents are both the same age. The 3 of them have lived a 3 total of 100 years. How old are his parents?

The volleyball team sold 16 items on the first day of a bake sale, 28 items the second day, and 12 items the last day. There were 4 items left that had not been purchased. How many total items were for sale at the bake sale?

N (n-1) + 3 (n-1) Factor the polynomial

Bert is planning to open a savings account that earns 1.6% simple interest yearly. He wants to earn exactly $160 in interest after two years. How much money should he deposit?

Consider the following data which describe the amount of time in minutes students spend studying for a quiz: 10, 11, 11, 12, 12, 14, 15, 18, 19, 20, 22, 24, 39, 40, 41, 44, 46, 50, 52, 52, 53, 55, 70.

Employee Earnings per month ($) 1 1200 2 2600 3 1800 4 1450 5 3500 6 2800 7 12500 8 3200 Which measure of spread is best for the data in the table? A.) range B.) quartiles C.) interquartile range D. mean absolute deviation