The term which describes the angles on two different triangles that are equal in degrees is - * pls fast

A parallel

B congruent

C perpendicular

D supplementary

Solve the system by the elimination method. 2x + y - 4 = 0 2x - y - 4 = 0 when you eliminate y, what is the resulting equation? a.x = 0 b.4x = -8 c.4x = 8

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

(30 points). the population of a city is 45,000 and decreases 2% each year. if the trend continues, what will the population be aer 15 yrs