Factor the following expression using the GCF :
2dr-4r​

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?

Let f(x) = x+3 and g(x) = 1/x the graph of (fog)(x) is shown below what is the range of (fog)(x)?

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c