Answer:
A certain element has 25 protons.
Step-by-step explanation:
Please mark brainliest
Y<-8 because the number y is no less
-2<x<3 | *2
-4<2x<6 | +7
3< 2x+7< 13
3<10<13
The answer is C
Answer:
X=4
Step-by-step explanation:

Answer:
Yes, this is a right triangle
Step-by-step explanation:
Plug the values into the pythagorean thm.
1.5^2 + 2^2 = 2.5^2
2.25+4=6.25
6.25=6.25