There were 77 birds on the endanger species list in 2005. This is 7 more than 5 times the number of reptiles list. How many reptiles were on the endangered species list in 2005?

Question number 56 (Word problem)

In 2000, about 457,000 people received a master's degree, and by 2005 this number had increased to 506,000. Find the percentchange in the number of master's degrees received over this time period.

Question Number 72 (Word problem)

A pilot flies a plane at a constant speed for 5 hours and 30 minutes, traveling 715 miles. Find the speed of the plane in miles per hour.

Section 2.4

Write the solution set to the inequality in interval notation.

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