Simplify: (3x2 − 8xy + y2) − (7x2 − 4xy − 5y2)

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.

The graph of f(x) = |x| is transformed to g(x) = |x + 11| - 7. on which interval is the function decreasing?