A) if r (x ,y):y=x÷2) and x€ (2,4,6) find range of R
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Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?