Let the expression a ⊥ b be defined:

a ⊥ b = 5ab2

evaluate: -10 ⊥ -10
a) -5
b) -5000
c) 500
d) 5000
e) 5

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

Beth took out a $20,000 loan for college she is borrowing money from two banks. bank a charges an interest rate of 8.5% bank b charges and interest rate of 10.5% after one year alice owes $1860 in interest how much money did she borrow from bank a

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why