1. ( x - 6 ) ( 3x + 4 ) = 0 2. 2x² + 5x - 42 = 0

3. 5x² + 13x = -6

um can you make sure you show the steps

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Manny bought 12 pounds of vegetables at the supermarket. 75% of the vegetables were on sale. how many pounds of vegetables were not on sale? 98 points : )

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?