Plz help me plz Write the explicit formula for the arithmetic sequence -13.2, -29.9, -46.6, -63.3, . . . What is term number 35 in this sequence?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

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

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.