Last year there were 520 students enrolled at Olsen Middle School. This year there are 572 students enrolled. What is the percent of increase in the number of students?

Which number produces a rational number when added to 1/4

A compound contains 40% calcium, 12% carbon, and 48% oxygen by mass. What is the empirical formula of this compound?

What is 66 increased by 88%

Which of the operations +, -, x, : are inverses of each other?

If Nick used 56 feet of fence to enclose a square garden. How long, in feet was each side of Nicks garden?

Find the least common denominator of the following pair of fractions: 7/8 1/2 a. 16 b. 8 c. 24 d. 2 can someone explain?

An earthquake produces 10 waves in 6 seconds. What is the period of the wave in seconds?

Suppose. Shobo knows that I've got 45 people with ages of 18 to 29 voted without even Calculator he quickly said then 135 people with ages of 30 1949 voted is he caressed

Which statement about the function is true? The function is positive for all real values of x where The function is negative for all real values of x where * 1 The function is positive fer all real values of x where x > 0 The function is negative

Of the 90 votes cast for Marisol, 40% were by girls. How many girls voted for Marisol? A) 36 B) 60 C) 90 D) 150