Jean needs to graph the function below y= 7x^2 + 8x - 6 how many time should the graph of this function intersect at the x-axis?

What is negative 3/9 times negative 2/8 ?

What is 140% of 25? because i need

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables