Answer:
237 is rational.
√-1369 is also rational.
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
you take away the 7 and it then b
Answer: hypotenuse = 
Step-by-step explanation: Pythagorean theorem states that square of hypotenuse (h) equals the sum of squares of each side (
) of the right triangle, .i.e.:

In this question:
= 
2bc
Substituing and taking square root to find hypotenuse:

Calculating:


=
, then:


Hypotenuse for the right-angled triangle is
units
Answer:
f(-2) = 14
Step-by-step explanation:
f(x) = 3x^2 - x
f(-2) = 3(-2)^2 - (-2)
= 3(4) + 2
=12 + 2
= 14