I am not exactly sure, but I am almost positive it is a spere
Answer:
x> -7/3y -7
Step-by-step explanation: -7y-3x<21
Step 1: Add 7y to both sides.
−3x−7y+7y<21+7y
−3x<7y+21
Step 2: Divide both sides by -3.
-3x/-3 < 7y+21/-3
x>-7/3y -7
Answer:
5040 different combinations
Step-by-step explanation:
0-9 = 10 numbers
1st digit can be 1 0f 10
2nd digit can be 1 of 9
3rd digit can be 1 of 8
4th digit can be 1 of 7
10×9×8×7=5040
Answer: 5.54
Step-by-step explanation:
amount of tax paid = item cost * tax rate
item cost = 63
tax rate - 8.8% = 0.088
tax paid = 63 * 0.088 = 5.54
The answer is 0 unless I did the math wrong
If so someone correct me. Other than that, hope this helped!