Which pair of equations can be used to solve for x in △PQR ? A
sin57°=x18
and cos33°=x18
B
cos57°=x18
and sin33°=x18
C
sin57°=18x
and cos33°=18x
D
tan57°=x18
and cos33°=x18

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

Which rule describes the composition of transformations that maps △abc to △a”b”c