If f(x) = x² + 5x and g(x) = 2x + 1, find f(5) + g(6).

Acircle has a circumference of 7.850 units. what is its radius?

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.