Ryan is training for a bicycle race. ● the distance he rides is miles long. 4 4 2 1 ● he rides a portion of the distance at a slow speed both to warm up and to cool down. ● ryan rides of the distance at a fast speed for training. 5 4 ● of the slow-speed portion, is for the warm-up. 3 1 which estimate is closest to the distance, in miles, ryan rides to cool down? a. 3 b. 6 c. 9 d. 12

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

What are the solutions of the equation? 6x^2 + 11x + 4 = 0 a. 4/3, 1/2 b. -4/3, -1/2 c. 4/3, -1/2 d. -4/3, 1/2