Dominic books with 12 postcards in each book. He has 4 boxes with 20 coins in each box. If he gives 15 post cards to his friends, how many postcards and coins does he have?

The 5 members of the Wyler family paid $112.50 for admissions to a water park. What was the price, p, of each ticket

One-fourth of the students at Finley High School play sports. Two-thirds of the students who play sports are girls. What fraction of all students are girls who play sports?

Single adults: According to a Pew Research Center analysis of census data, in 2012, 20% of American adults ages 25 and older had never been married. Suppose that we select 3 random samples of 500 adults from this population.

Write an equation of a line that passes through (1,-2) and is parallel to 4x+y=7

What is the approximate volume of a cone with a height of 12 in and radius of 9 in? Use 3 14 to approximate pi, and express your final answer to the nearest hundredth Enter your answer in the box

What is 45.6 people per 3 square miles

A group of 5 children and 7 adults are going to a movie. child tickets costs $5 and adult tickets cost $7. how much will the movie tickets cost in all

Identify the independent and dependent variable:The equation t=12p+12 gives the total cost t (in dollars) of a meal with a tip of p percent (in decimal form)

Find the value of x. 9 (2 square) + (6.7) x = ?

There are an even number of boys and an odd number of girls in lena's Class. how many boys and girls could be in her class? show your work.