Which of the following situations results in a sum of 1 1/2 ? select all that apply

a) i cut 3 1/3 inches from my grave. the grass grew 1 5/6 inches over the next week.
b) i used up 1/4 of a pound of coffee and bought 1 1/4 of a pound of coffee from the store
c) i gained 6 1/2 pounds and my wife lost 8 pounds
d) i had 4 1/4 bottles of juice and drank 1 3/4 of them
e) i painted 5/8 of one room and 7/8 of a another
f) i used 3/4 of a pound of ground beef to make burgers and purchased 2 1/4 of a pound of ground beef

More challenges: 1) factor out the indicated quantity.8mn² + 7mn - m : factor out the quantity -m2) factor the polynomial by grouping.2vw + 7cv + 14cw + 49c²3) factor completely using the difference of squares along with factoring by grouping.25v³ - 25v² - 4v + 44) factor the sum of cubes. 125x³ + 645) q³ + 27r³6) factor completely. use difference of squares.729p^6 - 6^67) solve the equation(7x + 4)(9x - 1) = 08) a. find the values of x for which f (x) = 0b. find f (0)f (x) = x² + 2x - 489) find the x and y-intercepts for the function defined by y = f (x)f (x) = (x + 3)(x + 4)(x - 1)²10) factor the trinomial completely by using any method. remember to look for a common factor first. 3v² - 2v - 16