Answer:

Step-by-step explanation:
Combine the opposite terms in r − 3 − r
.
Answer:
-77
Step-by-step explanation:
Multiply 11 x 7 first which gives you 77. And since the Negative sign is before 11, which means the product negative always, it will be -77!
hope this helped!
Answer:
Step-by-step explanation:
it is option C because a positive number will always be bigger then a negative number
hmmm, between the three options I would go with the second one since the number of 1-foot cubes equals exactly the volume of the fish tank.
But to truly calculate the volume
5 x 3 = 15
15 x 3 = 45
45 is the volume of the fish tank
1.Zachariah paid $51.94
2. Sam paid 21.20
Im not sure tho.