Two angles are supplementary. the first angle measures 40°. what is the measurement of the second angle?
a. 50°
b. 140°
c. 120°
d. 60°
6. which of the following best describes a plane?
a. the point of intersection of two walls
b. the edge of a desk
c. the surface of a flat table
d. a curve in a road

Gunpowder residue is most likely to show up where on a shooters hands

The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward