Think About the Process Ajar contains only pennies, nickels, dimes, and quarters. There are 17 pennies, 18 dimes, and 12 quarters. The rest of the coins are nickels. There are 67 coins in all.
How many of the coins are not nickels? If n represents the number of nickels in the jar, what
equation could you use to find n?
of the coins are not nickels.
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1 pan
remaining
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Astudent is determining the influence of different types of food on the growth rate of spiders. she feeds one group of spiders two caterpillars twice a week. the other group received similarly-sized beetles twice a week. she records the amount of time required for individuals to reach sexual maturity. her hypothesis is that the spiders feeding on caterpillars will have a faster growth rate because caterpillars have a higher protein content compared to beetles. in this experiment, what is the dependent variable? spiders assigned to different feeding groups. time required to reach sexual maturity number of prey items fed twice a week. growth rates of each group.