In order to keep track of the garter snake population in a certain area, Maggie traps 20
garter snakes and marks them. Later, Maggie catches 690 garter snakes, 15 of which are
marked. To the nearest whole number, what is the best estimate for the garter snake
population?

Which best explains why this triangle is or is not a right triangle ?

What is the value of x enter your answer in the box (3x+50

There are two major tests of readiness for college: the act and the sat. act scores are reported on a scale from 1 to 36. the distribution of act scores in recent years has been roughly normal with mean µ = 20.9 and standard deviation s = 4.8. sat scores are reported on a scale from 400 to 1600. sat scores have been roughly normal with mean µ = 1026 and standard deviation s = 209. reports on a student's act or sat usually give the percentile as well as the actual score. the percentile is just the cumulative proportion stated as a percent: the percent of all scores that were lower than this one. tanya scores 1260 on the sat. what is her percentile (± 1)?