Y = x2 + 7x – 5 can be written in the form y = (x + a)2 + b. Find the value of a and the value of b.

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

Calculate the annual effective interest rate of a 12 % nominal annual interest rate compound monthly

What value of x is in the solution set of 4x - 12 s 16 + 8x?