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12. A tree is 72 inches tall now. It is 12 inches taller
than it was last year. How tall was the tree last year?
unit

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

Write the expression as a single natural logarithm. 2 in a - 4 in y