Debora drove 400 miles on her vacation. she drove an average of 1.5 times faster in the second 200 miles of her trip than she did on the first 200 miles of her trip. which expression represent the time she spent driving? let x = her speed on the first half of her trip.

True or false? a circle could be circumscribed about the quadrilateral below.

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality