I am thinking of a number. when it is increasd by 7, it equals 21. what is my number

a. n=28

b. n=14

c. n=7

d. n=147

Marc sold 400 tickets for the school play. Student tickets cost $2 and adult tickets cost $4. Marc's sales totaled 1500. How many each kind of ticket did Marc sell

A transformation is called __if it preserves the shape and size of an object.

Which value of x would make TV II QS? 3 8 10 11

What is 4/5+1/3 as a mixed number

On Monday, a local hamburger shop sold a combined total of 357 hamburgers and cheeseburgers. The number of cheeseburgers sold was two times the number of hamburgers sold. How many hamburgers were sold on Monday?

As a self employed seamstress you know that it takes 7 yards of material to make 3 jackets. You bought 15 yards of material to make 7 jackets. Did you buy enough material?

How many tens and ones are there in 59

I am one of the numbers from part a above the sum of my factors equals a composite number that is a square of another number. which number am i? Composite numbers between 50 to 60

Taylor cut 1/5 sheet of construction paper for an arts and craft project. Write 1/5 as an equivalent fraction with the denominators

How are the integers and rational numbers different? ... ?