Let f:R+ R be defined by f(x)= ax+b, x £ R. If f(1) =5 and f(-4)= - 5, find the values of a and b and find the function f(x).

You put the following items into your rucksack. ham 600 g cheese 380 g tomatoes 270 g how much do all the ingredients weigh in total?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Find the slope of the line passing through a pair of points