Find the coordinates of the midpoint of a segment having the given endpoints.
q(0.3, 1.8), r(2.7, 3.9)
(1.5, 2.85)
o (1.05, 3.3)
(-1.2, -1.05)
o(-2.4, -2.1)

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

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.