B) (16 + 20)a - 18b
16a and 20a are both positive and 18b is the only negative it’s easier to add the positive with each other then the negative and a positive then add other positive
Answer:
sorry i dont know
Step-by-step explanation:
but do the ones in the () first always
Answer:
127
Step-by-step explanation:
15+38+a=180
a= 127
Lets solve this step by step.
8 * 8 = 64
Lets suppose there are 8 aquariums and there are 8 fish in each. Therefore, there are 8 groups of 8 fish. Add and solve.
8+8+8+8+8+8+8+8 = 64
