The number of words Cyrus typed varied directly with the amount of time he spent typing. If he typed 245 words in 7 minutes, how long did it take for him to type 980 words?

A) 140 minutes
B 28 minutes
C 20 minutes
D 4 minutes

Answer this question, only if you know the answer. 30 points and brainliest!

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.