Answer:
cant really help you on #2 but #1 is D
3 (had to feel the space with words)
Step-by-step explanation:
1). 1
2). 36
3). 16
sorry I can't explain it properly, all you have to do is to dive the coefficient of x by 2 and square the result
-3y -21 +8 = -28
-3y -13 = -28
-3y = -15
y= 5
