Alarger number is 4 less than three times a smaller. their sum is 16. find the smaller number.
a.5
b. 10
c. 3 2/3
d. -6

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”?

What is the circumference of a circle with an area of 50.24 cm²?

Which will form a composite function?