Are skew lines parallel? a. always b. sometimes c. never

2÷6+1/2 to the second power plus one

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°