What is 2+2? im really stuck on this one and cant figure it out!

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5

: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?

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points