Ira walked 20 miles last week and 22 miles this week. Raj walked 1/3 the distance that Ira walked. Find the distance that Raj walked.

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.