Justin earned 8 badges in scouts. justin wants to complete 2 more badges so that he will have a total of 10 badges. if justin completes the additional 2 badges, what will the percent increase in badges? show work

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

How to do this , and can some one explain