Apentagon has 5 congruent sides and each angle measures 108°.

which word completely describes the pentagon?

a.
equilateral

b.
equiangular

c.
regular

Solve the system by the elimination method. 2x + y - 4 = 0 2x - y - 4 = 0 when you eliminate y, what is the resulting equation? a.x = 0 b.4x = -8 c.4x = 8

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

Write the expression 7x^3-28xy^2 as the product of 3 factors