What is the domain of the function f(x) = log (x - 3) + 5? a) (3, ∞) b) (-3, ∞) c) (-∞, 5) d) (-∞ , 3)

Barbara's piano instructors house is 7 1/8 miles from her house. after biking for 1 3/4 miles she stops to rest how much longer does she need to bike to reach her instructor's house

What is the sum of these mixed numbers 2 1/8 + 4 3/8

How do you solve a question like this?