Can anyone help me with this one

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition? a) 6 b) 8 c) 14 d) 20

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?