It took jimena 89 minutes to run a 15-kilometer race last weekend. if you know that 1 kilometer equals 0.621 mile, how many minutes did it take jimena to run 1 mile during the race? round your answer to the nearest hundredth.

What is the standard form of -5x^2+2x^4-11+x^3+3x

Given: klmn is a parallelogram m? n=3m? k, lf ? kn , ld ? nm kf=2 cm, fn=4 cm find: lf, ld

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?