Which of the following equations uses the commutative property of addition to rewrite 1/4 + 2/5? 1/4 + 2/5= 5/20 + 8/20
2/5 + 1/4= 13/20
13/20 - 2/5= 1/4
2/4 + 1/5= 14/20​

(a.s."similarity in right triangles"solve for xa.) 10b.) 20c.) 14.5d.) [tex] 6\sqrt{3} [/tex]

Andy has $310 in his account. each week, w, he withdraws $30 for his expenses. which expression could be used if he wanted to find out how much money he had left after 8 weeks?

Haquira is baking cookies to put in packages for a fundraiser. shaquira has made 8686 86 chocolate chip cookies and 4242 42 sugar cookies. shaquira wants to create identical packages of cookies to sell, and she must use all of the cookies. what is the greatest number of identical packages that shaquira can make?