Answer:
Answer to question 7: -2x+5y+9
Answer to question 8: 2x-6y+1
Answer:
25
Step-by-step explanation:
Everytime, you add a value number 2 greater than the previous.
1+3=4
4+5=9
9+7=16
16+9=25
Any number power zero = 1
12 is the answer because 5x2=10 plus 2
Answer:
12+16x-8
Step-by-step explanation:
Use distributive property, 4*3 , 4*4x , 4*2 -> 12+ 16x-8.