Answer:
The first 2
Step-by-step explanation:
First expression = -4+30-3 =23
Second expression = 8(10+4)= 112.
The others would lead to a negative number.
Remember negative times negative = positive
Negative times negative times negative = negative
Im pretty sure its 8y because two negatives equal a positive so 5 plus 3 and then you isolated the y so 8y. :)
Answer:
19
Step-by-step explanation:

Answer:
i think its 10
Step-by-step explanation:
4 6 8 10 15 20 21
Answer:
0
Step-by-step explanation:
0