Cheryl has twice as many nickels as quarters and five more dimes than nickels. If the combined value of the coins is $1.60, then how many coins of each type
does she have?
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Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?

52 cm radius = diameter = area = circumference = circumfer

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if