How do you enter the law of sine into a calculator

Which statement is true 1.the pythagorean theorem can be used to find the missing side of any triangle 2.the pythagorean theorem can be used to find the missing side of any polygon 3. the pythagorean theorem can be used to find the missing side of any right triangle 4.the pythagorean theorem can be used to find the missing side of any isosceles triangle

What term best describes a line and a point that lie in the same plane? a. congruent b. coplanar c. collinear d. equal

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?