Use a half-angle identity to find the exact value of tan 105º.
a. -√7 +4√3
c. √7+4√3
b. -√7-4√3
√7-43
d.

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?