ADC is a triangle. AED and ABC are straight lines. EB is parallel to DC. Angle EBC= 148°. Angle ADC= 63°. Work out the size of angle EAB. You must give a reason for each stage of your working.

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line

Atown has a population of 17000 and grows at 2.5% every year. to the nearest year, how long will it be until the population will reach 19600?

Astudent is solving a system of equations by substitution and comes up with the solution 3 = 3. assuming that he solved the problem correctly, which of the following can be said about this system of equations?