Let ABC be a triangle with m(Â) = 90°, m(Â) = 30° and M is the midpoint of the BC side. Let D be the symmetry of B with respect to AC and N is the foot of the perpendicular from A to DC. If AM = 15 cm, then DN = ? A) 7.5 cm
B) 10 cm
C) 12.5 cm
D) 9 cm
E) 12 cm

Consider the function represented by the equation 1/2 j + 1/4 k equals 3 which shows the equation written in function notation with j as the independent variable

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?