Answer:30
Step-by-step explanation:
60 plus 30 equals 90 so common sense says that’s the answer
Answer:
15.
Step-by-step explanation:
f(x)=9+2x
x = 3, so f(3) = 9 + 2(3)
= 15.
14.87
Step-by-step explanation:
use the Pythagorean theorem
a^2+b^2=c^2
C being the longest side of the triangle
14^2+5^2=C^2
196+25=C^2
221=C^
find the square root of 221
C=14.866
rounded to nearest tenth
C=14.87
The answer is D. <span>No, it is not a valid inference because his classmates do not make up a random sample of the students in the school.</span>
