Lim!→0
12
(56-
$
+
)
-./
)
+

false.

step-by-step explanation:

false.

cavalieri's principle makes that statement about the volumes, not about the areas.

a complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is a solution of the equation x2 = −1. because no real number satisfies this equation, i is called an imaginary number. has no real solution, since the square of a real number cannot be negative.

18.8cm hope i at all

step-by-step explanation: