6. Mackenzie ran a half marathon (13 miles) in 1 hour and 57 minutes. She kept up a pace of 8 minutes par mile for the first 7 miles. Then the course got hilly, so for the next 4 miles, she ran 11 minutes per mile. If she
finished up the course at a consistent pace, what was her rate for each of the last miles ?

In the figure below, segment ac is congruent to segment ab: triangle abc with a segment joining vertex a to point d on side bc. side ab is congruent to side ac which statement is used to prove that angle abd is congruent to angle acd? segment ad bisects angle cab. triangle acd is similar to triangle abd. segment ad is congruent to segment ac. angle cab is congruent to angle cba.

Ivan and jeff buy a package of 8 pens for $4.00. ivan wants 5 of the pens, and jeff wants 3.how much should each student pay?

Give me the equations of two lines that have the same slope but are not parallel.