Linda's grandmother baked brownies on Saturday for her church's bake sale. She cut each batch of brownies into 9 large pieces. She made 81 brownies before lunch and by the end of the day, she had made 153 brownies altogether. How many batches of brownies did she make after lunch?
A)6
B)7
C)8
D)9

C - 8

Step-by-step explanation:

153 - 81 = 72

72 ÷ 9 = 8

C) 8

I looked at the other answer at the bottom.

a: 1/6, j: 1/4

step-by-step explanation: you are welcome

t= half of the arc subtended by t.

r= half of the arc subtended by r.  

t+r= half of the arc subtended by t + half of the arc subtended by r= half of 360=180

step-by-step explanation: