alexandria usually jogs 5 miles in 90 minutes. On this mornings run she left at 9 AM and after covering 1/2 the distance at her average speed, she rested for 15 minutes. In order to complete the run and still arrive home at the normal 10:30 AM time, she must run at how much mph

Abcd is a square. what is the measure of angle bac

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z