Line cd contains a (4,6) and b (-2,6). the slope of the line cd is?
zero
undefined
positive
negative

Given the diagram below, michael writes, "segment ac is congruent to segment ac." which of the following reasons allow him to write this statement?

Afamily has two cars. the first car has a fuel efficiency of 25 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. during one particular week, the two cars went a combined total of 1025 miles, for a total gas consumption of 55 gallons. how many gallons were consumed by each of the two cars that week?

2f(x)= x+3 if 4 < x < 8 2x if x 28 2