Sarah's holiday wreath has 5 more than twice as many blue lights as green lights and 7 less than 5 times as many red lights as green lights. Altogether there are seventy-eight lights on the wreath. How many of each color are there?

State whether weight is a function of height for the six students and explain. a. yes, height is a function of weight because two students weigh 165 pounds but have different heights. b. no, height is not a function of weight because two students weigh 165 pounds but have different heights. c. yes, weight is a function of height because for each value of height there is one corresponding value of weight. d. no, weight is not a function of height because there is not enough data to determine a function.

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9