Agrain of sand has a mass of 2.6 × 10–3 gram. a grain of salt has a mass of 6.5 × 10–2 gram. how many times greater is the mass of the grain of salt than the mass of the grain of sand?
a
2.5
b
3.9
c
25
d
39

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?