This diagram of airport runway intersections shows two parallel runways. A taxiway crosses both runways. which angles are congruent to 7

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2