Use substitution to solve the system of equations. y = −2x x − 3y = 21 a) (3, −6) b) (3, 4) c) (−2, −6) d) (−6, 12)

The table shows the distances travelled by a paper aeroplane. a. find the range and interquartile range of the data. the range is feet. the interquartile range is __feet. b. interpret the range and interquartile range of the data. __ feet the distances travelled by the paper aeroplane varied by no more than__ feet. the middle half of the distances travelled by the paper aeroplane varied by no more than __ feet.

Imagine you are at home watching television. you are sitting 6 feet away from your tv which is hung on the wall and the top of it is 8 feet off the ground. which of the following functions correctly represents the angle θ that you make with the top of your television?

Abox has four cards numbered , , , and melissa will toss a coin once and record the toss as heads () or tails then she will randomly pick a card from the box and record the number chosen. give the sample space describing all possible outcomes. then give all of the outcomes for the event that the coin toss is tails. use the format to mean that the coin toss is heads and the number chosen is . if there is more than one element in the set, separate them with commas. sample space: event that the coin toss is tails: