Answer:
4
Step-by-step explanation:
y-7=21
+7 +7
y=21+7
y=28
Answer:
zero, or 0, or none. answer is A
Step-by-step explanation:
they never touch, just pick A
Answer:
1.5
Step-by-step explanation:
Answer:
Step-by-step explanation:
6 times 4 is 24 so the answer is 24
Answer: 30
Step-by-step explanation: five boxes with ten each which means there's a total of 50 item if they sold 20 you would do 50 -20=30