The students to faculty ratio at a small college is 17: 3 the total of students and faculty is 74 how many faculty is there at the college how many students

In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

What is the value of r of the geometric series?

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .