Which rule describes the composition of transformations that maps δbcd to δb"c"d"?

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x