Consider the points Q(23, 48) and R(7,62). What is the component form of vector PR? A. (-16,110)
B. (-16,14)
C. (30,- 14)
D. (30,110)

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?

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

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle