Combine like terms. (–3y2 – 7y – 9) – (4y2 + 6y + 9) a. y2 – y b. –9y2 – 11y – 18 c. 7y2 + 13y + 18 d. –7y2 – 13y – 18 reset selection

One integer is 5 more than another. their product is 104. find the integers

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

Which two fractions are equivalent to 24/84? 6/42 and 2/7 6/21 and 2/6 12/42 and 3/7 12/42 and 2/7