Look at the figure:
an image of a right triangle is shown with an angle labeled x.
if tan x° = z divided by 10 and cos x° = 10 divided by y, what is the value of sin x°?
sin x° = z over y
sin x° = y over z
sin x° = 10z
sin x° = 10y

Is a square always, sometimes, or never a parallelogram

Quadrilateral efgh was dilated with the origin as the center of dilation to create quadrilateral e'f'g'h'. the quadrilateral was dilated using a scale factor of 2.5. the lengths of the sides of quadrilateral efgh are given. what is the length of side f'g'?

What is the expression equivalent to (3x^2-7)