If f(x)=2x^2+x-3, which equation can be used to determine the zeros of the function?

The lines graphed below are parallel. the slope of the red line is -4/3. what is the slope of the green line

1. draw a histogram from all the data. starting at the bottom row, for each set of 10 flips, place an "x" in the column corresponding to the number of heads that set produced. your histogram should look similar to the example below: 2. calculate the mean and standard deviation. mean = standard deviation = 3. calculate the percent of the data that is within 1, 2, and 3 standard deviations of the mean. within 1 standard deviation = % within 2 standard deviations = % within 3 standard deviations = % 4. compare your results to a normal distribution. interpret any differences.

Negative 10 plus 3 minus negative 4 plus 5 _10+3--4+5