What is the GCF of the following terms 20n3 and 15n2 ?

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)

Joe bought 4.25 pounds of pears for $7.18. if the equation 4.25x = 7.18models the situation, what does the variable stand for?