In triangle ABC, D E F and G are mid points of BC, AD, BE and CF respectively. Prove that ABC=8EFG
Please prove this...

The base of a triangle is 8 1 3 meters and the height of the triangle is the fourth root of 16 meters meters. what is the area of the triangle?

X=-3y-5 3x+9y=7 how can u solve this?

Of 400 people at the school carnival, 95% are students and the rest are teachers. a. how many students are at the school carnival? b. if 55% of the students at the school carnival are boys, how many are girls? c. how many teachers are at the school carnival? d. if 35% of the teachers are male and the rest are female, how many female teachers are at the carnival?