Which number sentence shows the commutative property of addition?

7 + 6 = 13

7 + 6 = 6 + 7

7 + (4 + 6) = (7 + 4) + 6

13 1/3% as a fraction in simplest form

Solve, using linear combination. 3x + y = 4 2x + y = 4 A. (-1,7) B. (0,4) C. (-3,12) D. (-3,13)

Joe plans on saving $100 a month for a down payment on a new car. The car is $25,000 and Joe wants to put 10% down for a down payment. How many months will it take for Joe to have enough money for his down payment on his car?!

Are 12/20 and 22/30 equivalent fractions? Why or why not?

Mr. Patel decided to challenge his Algebra I students by asking them to describe the effect 2f | 1x would have on the function f (x) = 2. Use your understanding of horizontal and vertical stretches to explain the result.

A customer left a 66.00$ for a bill that is 9nly 55.00$. What is the tipped amount?

Find the zero of the polynomial 2x²+9x+4

M over 4 = - 13 what does m = ? ... ?

Mr. Delaney broke his piggy bank

What is a40 for the arithmetic sequence presented in the table below? n 8 12 an 60 48 Hint: an = a1 + d (n - 1), where a1 is the first term and d is the common difference