Answer:
29 homework problems
Addition Property was used
Step-by-step explanation:
15+5=20+9=29
Addition
The answer is d, Because terms are separated by signs, i.e multiplication/division.
X=9
3x-12=x+6
2x-12=6
2x=18
X=9
Answer:
3
Step-by-step explanation:
f(1)=−3
f(n)=2⋅f(n−1)+1
f(2)= 2×1(2-1)+1
= 2×1+1
= 2+1
= 3