How many solutions does this have? 2x = 2x - 9
A. No
B. One
C. Two
D. Infinity

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?

How to write four times a number,minus 6,is equal to theee times the number+8 as an equqtion

How much is $1200 worth at the end of1 year,if the interest rate is 5.5% is compounded quarterly.