How many x-intercepts does the graph of y = y2 have?

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

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)