Find the equation of the line through (2,−2) which is perpendicular to the line y=x4+7.
y=

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

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”?

Y= a(x-3)squared-1 what is the value of a