Find the sum of the arithmetic series 3+ 5 + 7 + ... +(2n + 1)

2 + 5 + 8 + ... + 77

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236