Answer:
<h2><u><em>
5</em></u></h2>
Step-by-step explanation:
X * 3^2 +2 = 47
X * 9 + 2 = 47
9X = 47 - 2
9x = 45
x = 45 : 9
X = 5
Let's say David's age right now is x years
x + 6 = 2(x - 7)
x + 6 = 2x - 14
x = 20
Therefor David is 20 years old
3^5 is the same as 3*3*3*3*3. which is 243
Answer:
The equation of line 65 and the sum is 80
Answer:
put one and then put 0.5 in between 0 an 1
Step-by-step explanation:
