Explain why the polynomial 144x2 − 200x + 81 is not a perfect square.
A)81x ≠ 2(20x ∙ 9)
B)200x ≠ 2(9x ∙ 12)
C)200x ≠ 2(12x ∙ 9)
D)144x ≠ 2(20x ∙ 12)

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?