6x^2+71x-12. how do you factor this as a trinomial and use it as a box method?

Which problem could be  solved  by evaluating the expression  7×(−3)7×-3?

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62

When is g(x) = 0 for the function g(x) = 5.23x + 4?