If 8 is and element of a intersection b then 8 is and element of a and 8 is an element of b

The length and a quarter of the width of a rectangle add up to 7 in, while the length and the width add up to 10 in. what are the rectangle's length and width?

You are cycling around europe with friends. you book into a hostel and you ask the owner what the ratio of men to women is currently staying there. there are 24 men and 6 women. what is the ratio of men to women in its simplest form?

If angle 2=3x +1 and angle 3=2x +4what is angle 2