Loren drove 200 miles at a certain rate, and his wife, lois, drove 100 miles at a rate 10 mph slower. if loren had driven for the entire trip, they would have arrived 30 minutes sooner. what was loren's rate? 45 mph 50 mph 55 mph

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.