Evaluate the expression for = −3 and = 5. r^{-4} s^2

What kind of bond pays interest which is exempt from tax?

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?

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48