There are 39 8th graders on student council. If 65% of student council is 8th graders how many total student are on student council?

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