A computer repair service charges $50 for diagnosis and $35 per hour for repairs. Let x be
the number of hours it takes to repair a
computer. Let y be the total cost for repairs.

Np4=12np2 with clear explanation.

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?