Write an equation using four numbers that multiply to 0, none of which are opposites. Please help! Thank you!

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit

Abcd is a square. what is the measure of angle bac