Answer:
i tried it by trial and error, and my work is below.
Step-by-step explanation:
2x + 9 = 23
subtract 9 from both sides
2x = 14
guess.... lol
x=7
Answer:
Step-by-step explanation:
Increase means his temp is going up. Just add.
99.2° + 3.4°
=102.6°
Answer:
5 * 5 * 5 * 5
Step-by-step explanation:
Use the rules of Indices.
5⁶⁻²
= 5⁴
1/3 + 2/9 equals 3/9
3/9 is then simplified to 1/3 :)