Which repres
algebraically
the solution(s) of the system of equations, y=x2 - 4x - 21 and y = -5x - 227 determine the solution set
(-1, -17)
(1.-27)
(-1, -17) and (1, -27)
no solutions

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

What is the value of x in the this question ?

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?