Simplify

4/a-a/4

A. 16-a^2/4a

B. 4-a/4a

C. 4-a/a

D. - 1

Solve the equation log (x-7) = 2

36 students ride a school bus route home. the same number of students get off at each stop. harriet knows how many students got off at one stop. how cpuld she find how many stops the bus made?

Why is 1/3 less than 1/2

What is 7/9 - 5/18 lowest common denominator

If there are 12 inches in a foot, make a table to show how many inches are in 3feet and 5 feet?

A rectangular parking lot is enclosed by 400 feet of fencing. The longer sides are three times as long as the shorter sides. What is the area of the lot?

a payday loan store charges $40 for one month loan of $300. what annual interest rate is This equivalent to

The low temperatures for the week in Carrollton, in degrees Fahrenheit (°F), were 17, 41, 11, 14, 11, 13, and 15. What is the mean of the temperatures without the outlier?

What is 6 more per week than Theodore studies

Suppose there are 5 students in a room. The mean age is 20.2 20.2 years, and the median age is 19 19. If the youngest person leaves and is not replaced by another person, what happens to the mean and the median?