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B. Solve the following:
1. The length of a rectangle is 12y2 - 15y + 7 and the width is
3y. Find the area of the rectangle.
2. Maria adds her grades for the first grading period and
obtains 14x2 + 31x + 15. If she has 2x + 3 subjects, what her
average grade?

pls answer this thank you๑·̑◡・̑​