To rewrite the expression ab+a+b+1, Jozelle first writes (ab+a)+(b+1). What property justifies this step? Distributive Property

Associative Property of Addition

Commutative Property of Addition

Associative Property of Multiplication

Commutative Property of Multiplication

answer: i'm not going to give you the answer, but some hints to work it out.

step-by-step explanation: so, if there is a straight line that means that the line angle is 180°. so we subtract the 2 angle measures provided, (15 and 38) from 180. so the answer is 180 - (38 + 15). (you have to solve the equation)

10010010001010010101001001010010100101010010101010010010101010110010001011010010010001

step-by-step explanation:

1/4 because there is 4 grades.

9 sandwiches per hour

step-by-step explanation:

when we have a rate, we want a 1 in the denominator

27/3 = 9

27 sandwiches/ 3 hours = 9 sandwiches/hour