Sam has 8 paintings to display in his gallery. he can place 4 of them in the front window. in how many ways can he arrange 4 paintings in the front window? 4880 3600 1680 5400

It's a question of Permutation;  = nPr = n!/(n-r)!

A.T.Q,

n=8, r=4

8!/(8-4)! =8!/4! = 8*7*6*5

=1680

OPTION C IS YOUR ANSWER.

a28=58

step-by-step explanation:

a1=a1+(n-1)d

a28= 4+ (28-1)2

a28=4+(27)(2)

a28=4+54

a28=58

his first public project he is asked to create a small scale drawing. the garden is a right triangle with base 25m and height 30m. are you trying to solve for the last side/hypotenuse? the irrational form of the answer would be 5\sqrt{61}