In the car lot, 4/12 of the cars are white and 3/12 of the cars are blue. what fraction of the cars in the lot are either white or blue? i don't get it that much

When only separate discreet points are graphed it is called?

If chord ab is congruent to chord cd, then what must be true about ef and eg?

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest