Combinatorial questions: A bit have 2 states: 0 and 1. If bit could have 4 states (0, 1, 2, 3), how many numbers a byte could hold? b. How many 5 character different "words" you can make out of permutations of string "abcdefg"? In how many ways 7 items can be ordered assuming all items are different? d. How many different sets of cardinality 4 can you make out of string "abcdefg"? In how many distinct ways a strings "cccccbbbbaaa" can be ordered? f. а. С. е. In how many different ways you can distribute 8 potions between 4 people? g. In how many different ways you can distribute 8 different pills between 4 people if you have 4 red pills, 3 blue, and 1 white?

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Angles in Circles

Angles within a circle are feasible to create with the help of different properties of the circle such as radii, tangents, and chords. The radius is the distance from the center of the circle to the circumference of the circle. A tangent is a line made perpendicular to the radius through its endpoint placed on the circle as well as the line drawn at right angles to a tangent across the point of contact when the circle passes through the center of the circle. The chord is a line segment with its endpoints on the circle. A secant line or secant is the infinite extension of the chord.

Arcs in Circles

A circular arc is the arc of a circle formed by two distinct points. It is a section or segment of the circumference of a circle. A straight line passing through the center connecting the two distinct ends of the arc is termed a semi-circular arc.