What is 1/2 x 5/8 please help

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Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

Line cd passes through points c(1, 3) and d(4, –3). if the equation of the line is written in slope-intercept form, y = mx + b, what is the value of b? –5 –2 1 5

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7