What are the roots of the quadratic equation 0 = 2x^2 + 12x –14? 2, 12, –14 –7, 1 –1, 7 1, 6, –7 can you explain what it is wanting or asking?

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?