Kamilah noticed that three different-sized boxes of the same cookies were on sale at a grocery store. The 425 g box was on sale for $4, the 740 g box was on sale for $6, and the 950 g box was on sale for $8. Which box of cookies was the best buy?

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y

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 graph or graphs appear to show a sinusoid? < me asap !