How many different 4-letter words can be made a. if the first letter must be K, X, or P and no letter may be repeated?
b. if repeats are allowed (but the first letter is K, X, or P)?
a. If all the letters are different there are
4-letter words.
b. If the letters may be the same there are
4-letter words

i will pick c put check it over to be sure

step-by-step explanation:

the formula for the equation of a circle is (x – h)2+ (y – k)2 = r2, where (h, k) represents the coordinates of the center of the circle, and r represents the radius of the circle. if a circle is tangent to the x-axis at (3,0), this means it touches the x-axis at that point.

13cm

step-by-step explanation:

(apex)

what shape is