Answer: B
Step-by-step explanation:
Two positives make a positive
two negatives make a positive
1 negative and 1 positive make negative
1 positive and 1 negative make a negative
Answer:
D:315
Step-by-step explanation:
6x7 and then divide by 2 = 21+21 =42 13x7= 91x3= 273+ 42= 315
Answer:
$7.98 per box
Step-by-step explanation:
Divide 191.52 by 24
Answer:
12 years = 16 USD
15 years = 20 USD
Step-by-step explanation:
15 years =72:4= 18 we round to 20 for 15 years
12 years = 20+20 = 40
72-40 = 32 : 2 = 16 USD for 12 years