If 3 times a certain number is increased by 4 the result is 28. What is the number? If x is "the number," which of the following equations could be used to solve for the number?
3( x + 4) = 28
3 x= 4 + 28
3x+ 4 = 28

Cameron indoor stadium at duke university is one of the most revered sites in all of college basketball, as well as in all of sports period. duke’s men’s and women’s basketball programs have attained quite a few wins in the building over the last seventy years. cameron indoor stadium is capable of seating 9,460 people. for each game, the amount of money that the duke blue devils’ athletic program brings in as revenue is a function of the number of people in attendance. if each ticket costs $45.50, find the domain and range of this function.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'