Can someone help me with these algebraic expressions? And can you please EXPLAIN OR SHOW YOUR WORK!

1. f(x) = 3x^2 +13x -10

2. f(x) = 2x^2+4x-16

3. f(x) = 4x^2 - 81

Thanks! I need this nowww

Yo y do yall have 2 stars that means yall wrong bro

Astudent survey asked: "how tall are you (in inches)? " here's the data: 67, 72, 73, 60, 65, 86, 72, 69, 74 give the five number summary. a. median: 73, mean: 70.89, iqr: 5, min: 60, max: 74 b. 60, 66, 72, 73.5, 86 c. 60, 67, 72, 73, 74 d. 0, 60, 70, 89, 74, 100

How can you find the mean absolute deviation (mad) for this set of data?