The half-life of strontium-90 is
approximately 29 years. how much of a
150 g sample of strontium-90 will remain
after 116 years?
first, complete the equation:
remaining amount = [? ](1 -[])0

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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?

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4