Which property was applied to create this equivalent expression?

7 x + (5 + 6 x) right-arrow (7 x + 5) + 6 x
A. the commutative property only
B. the associative property only
C. the distributive property only
D. both the commutative property and the associative property

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? will mark the

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36