Plz Help Which expression has a solution of 27, if r = 3?

8 r
6 r
9 r
7 r
Also how do you make people the brainliest

Cumulative examcumulative exam active13time remaining02: 44: 18the graph represents the data cost for monthly internetservice for a cell phone.which function, c(x), represents the monthly cost in dollarsin terms of x, the number of gigabytes used in a month? cell phone internet service(15,5x + 10150,0sx522 < x < 664x115, osx< 25x + 20, 2< x< 650, 65815%,monthly cost (s)20x + 5| 50x,0 < x < 22 < x < 664x( 15x, osx< 2c(x) = 5x + 10, 2< x< 6150x, 65 x5+1234 5 6 7 8 9 10 11 12gigabytes used

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?