In a class 30 of students, 22 have a brother and 25 have a sister. There are 2 students who do not have any siblings. What is the probability that a student chosen randomly from the class does not have a sister?

What is 4/6+1/3 can y'all tell me this is for homework and I can't seem too figure it out

At Aliyah's Printing Company LLC there are two kinds of printing presses: Model A which can print 40 books per day and Model B which can print 45 books per day.

Can a common denominator of mixed numbers be 20?

Allison has 5 times as many baseball cards as football cards. In all, she has 120 baseball and football cards. How many baseball cards does allison have?

6 out of every 20 people in the U. S. who were over the age of 25 had completed four years or more of college. If a community has 1860 residents over the age of 25 with four or more years of college, how many residents over the age of 25 live there?

Marcos is cutting ribbons for a craft project. each ribbon needs to be 3/4 yards long. if each piece is always within plus or minus 1/16 yards how long are the shortest and longest pies of ribbon ... i don't get it

Find The diagram is not to scale. m 96degree 118degree 115degree 104degree a. 107° b. 117° c. 63° d. 73°

How many pumpkin plants would be in 2 rows

Which of the following is equivalent to the expression below (-3+5) + (m-11

Mira has breakfast at a restaurant. She leaves a 20%, percent tip of $1.80 What is the price of Mira's breakfast, before tip?