X^(2)+8=5 exponent of variable in this equation is​

Which graph of a hyperbola represents the equation 16x^2-y^2=16

At saturday nights football game there were 18 less fans than half the fans at friday nights game. there were "x" fans at friday's game. write an expression to represent the number of fans at saturday's game. *** urgent***

Classify the triangle by its sides and angles. a equilateral b isosceles acute c isosceles right or d scalene acute