I'm thinking of a number. when you: -add 2 -multiply by 3 -subtract 7 -add the original number the final result is 27. what number did he start with?

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

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)