Use the following half-angle identity to find the exact value of tan165°.

Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6    m−6    6m

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9

The product of (7x-2) and (20-3x)/4. when x=4