Answer:
1,3
Step-by-step explanation:
Answer:
8fx=;x2-7x+12;x-4;6
Step-by-step explanation:
x2" was replaced by "x^2".
8)


The 4 is a squared number (2<span>×2).
</span>Answer:

12)

The 441 is a squared number (21<span>×21)
</span>Answer: 21
Consecutive means right after each other like 1, 2, 3, 4...so if the first sister is x old, then sister 2 is (x+1) old and sister 3 is (x+2) old. So make an equation that says x+(x+1)+(x+2)=45. Simplify and solve for x (get x alone.)