Which statement is true about perpendicular lines?

The lines are in the same plane but never intersect.

The lines intersect at an acute angle.

The lines intersect at a right angle.

The lines are not in the same plane.

Find the zeros of quadratic polynomial X2 - 2x - 8

Johnny has 1/2 peices of bread. Marina has 1/4 peice. Who has more?

The length of the diagonal of a rectangle is 181 inches. Which statement describes the length of the diagonal?

Find the greatest number which divid 742 and 1162 leaving 7 as reminder in each case

Write y = 2x2 + 4 in function notation. A) f (x) = 2x2 + 4 B) f (y) = 2x2 + 4 C) f (y) = 2y2 + 4 D) f (x) = 2y2 + 4

The measure of two complementary angles are in a ratio of 8:7 find the measure of the smaller angle

3 times what divided by 4 equals 24

What times what equals 3.75

Is the sequence geometric? common ratio 6, 12, 24, 48, ...

A ship traveled at an average rate of 22 miles per hour going west. It then traveled at an average rate of 12 miles per hour heading north. If the ship traveled a total of 158 miles in 9 hours, how many miles were traveled heading north?