What is 3 1/4 + 5 1/2 (they are fractions by the way)

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9