Two cards are drawn without replacement from a standard deck of 52 cards. what is the probability that both cards are spades? are these events independent?
a) 1/ 17; no, they are dependent events
b) 1/ 16; yes, they are independent events
c) 25/ 52; yes, they are independent events
d) 3/ 52; no, they are dependent events

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

36x2 + 49y2 = 1,764 the foci are located at: a) (-√13, 0) and (√13,0) b) (0, -√13) and (0,√13) c) (-1, 0) and (1, 0)