9. If m ZRTS = 8x + 18, find the value of x so that TR TS.

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.