Pls help me with all of them ill give 81 points

1. No

2. Yes

3.

4. x=8

Step-by-step explanation:

1.

6^2+8^2

=36+64=100

9^2=81

100≠81

No

2.

5^2+12^2

=25+144

=169

13^2=169

169=169

Yes

3.

x^2=4^2+8^2

x^2=16+64

x^2=80

x=

4.

x^2+6^2=10^2

x^2+36=100

x^2=64

x==8

hey there!

if she's saving for six months, let's divide the total number we need for the trip by six, dividing it into the amount that needs to be saved for each month.

500 ÷ 6 =

she needs to save at least this amount each month, so we should use this symbol: ≥

let x be the amount she saves each month.

your final answer is x ≥

hope this !