Use deductive reasoning to select the appropriate conclusion. If two planes intersect, then they intersect in exactly one line.

Planes ℜ and ℑ intersect.

A Planes ℜ and ℑ intersect in exactly one line.
B All lines are formed by the intersection of two planes.
C Any line can be formed by the intersection of planes ℜ and ℑ.
D Planes ℜ and ℑ intersect at exactly one point.

18.8 cubic inches.

step-by-step explanation:

volume of a cone = πr²h

r = 1.5 inches

h = 8 inches

pi = 3.14

volume of our cone = × 3.14 × 1.5² × 8 = 18.84 square inches

or equals to 18.8 square inches rounded up to nearest tenth.

b

step-by-step explanation:

555.99.

step-by-step explanation:

hope this

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)