Fifteen percent of the students in seventh grade at Western Middle School have perfect attendance. There are 220 students in seventh grade. How many have perfect attendance?

11

22

33

44

What percent is 52 of 64

Which ordered pair (a, b) is a solution to the given system of linear equations? - 2a+3b=14 a-4b=3

4x-9y - 7=4 in standard form

8.57 as a mixed number in simplest form

Which of the following is a sinusoid? O A. y = { O B. y = [] OC. C. x2 + y2 = 1 D. y = cos X

What is 3h^2 = h^2 + 18

What is the next fraction in 15/100,3/10,45/100,6/10,75/100

In January, Desmond begins saving $25 per month for a used car. Each month, he is able to save $5 more than the previous month. After how many months will Desmond first have enough money to purchase a $3,000 used car?

Can someone explain how $3.79 x 2 = $7.58 is equivalent to $7.58/2=$3.79

Three highways connect city A with city B. two highways connect city B with city C. during rush hours, each highway is blocked by a traffic accident with probability 0.2, independently of other highways.