Give a scheme definition that will determine the sum of 30, 31, 30, 15 and bind the identifier days-in-semester to this sum. be as concise as possible.

Question 5 spring semester final exam math evaluate

It says factor each expression 49x-28?

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?