91Ó°ÊÓ

Factor the monomial.

2y⁴z³

Calculate the sum or difference.$\frac{3}{7}+\frac{3}{7}$

Calculate the sum or difference.$\frac{14}{15}−\frac{8}{15}$

Factor the monomial.

$40m^{2}n$

Calculate the sum or difference.$\frac{11}{20}−\frac{3}{20}$

There are 69 species of flashing fireflies, also known as lightning hugs, in the United States. A museum is designing a rectangular display of these 69 species with the same number of fireflies in each row. How many displays are possible?

Critical Thinking Explain why all two-digit whole numbers with 5 as the ones’ digit are composite.

Calculate the product.$60×\frac{3}{10}$

Use the prime factorization to list all of its factors.

240

Calculate the product.$28×\frac{1}{4}$