What is k to the -2 power times k to the -3 power but Simplify the expression. Write the expression using only positive exponents. $k^{-2}\cdot k^{-3}=$

Anyone know? will mark brainliest if you're correct!

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

Traffic on saturday, it took ms. torres 24 minutes to drive 20 miles from her home to her office. during friday's rush hour, it took 75 minutes to drive the same distance. a. what was ms. torres's average speed in miles per hour on saturday? b. what was her average speed in miles per hour on friday?