If a sequence is defined recursively by f(0 ) = 3 and f(n+1) = -f(n)+5 for n is equal to or greater than 0, then f(2) is equal to?

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

What is a graph with a never ending line called?

Afarmer sells 9.5 kilograms of apples and pears at the farmer's market. 4/5 of the weight is the apples and the rest is the pears. how many kilograms of pears did she sell at the farmers market