A triangle has 3 angles that measure (X-30) (2X-120) and (1/2+15). What are the angle measures? ANSWERS:
a) 120,30,30
b) 60,60,60
c) 30,60,90
d) 50,70,60
e) 45,45,90

The triangles are similar. what is the value of x? show your work.

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?