The midpoint of AB is M (5,5). If the coordinates of A are (7, 8), what are the coordinates of B?

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x