What is the slope of a line perpendicular to the line y=8x+1?
A. -8
B. 8
C.-1/8

What is the result of adding the system of equations? 2x+y=4 3x-y=6

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte