Astandard deck of playing cards has 52 cards : 13 spades, 13 clubs, 13 hearts, & 13 diamonds. what is the probability of drawing a spade from a 52-card deck, replacing it, & then drawing another spade ? ?

What is the least common multiple of 6 and 17?

Part of the total score for each program is the sum of five program component scores. on the free program, the sum of these five program component scores is multiplied by a factor of 2.0. yuzuru hanyu, of japan, earned scores of 9.07, 8.96, 8.89, 9.21, and 9.36 for the program components portion of his free program. how many total points did he receive for this portion?

In the rectangle below ac=30 units what is de