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12. Higher Order Thinking A movie theater sends
out a coupon for 70% off the price of a ticket.
a. Write an equation for the situation, where y
is the price of the ticket with the coupon and
x is the original price.
b. Graph the equation and explain why the
line should only be in the first quadrant.
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Price ($)
00

List two limitations of natural selection

Sequence how oxygen accumulated in the atmosphere and the effect it had on life by completing the flowchart

Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos