2.2.PS-9 Question Help
Yesterday, Grace drove 38.- miles. She used 11 gallons of gasoline. What is the unit rate for miles
1a
per gallon?
The unit rate is miles per gallon.
(Simplify your answer. Type an integer, fraction, or mixed number.)
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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