Find a third degree polynomial function f(x) with real coefficients that has -3 and i as zeros and such that f(1)=8

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year. how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

Given that s is the centroid of triangle mno, find sq.

Ling is using fraction strips to add 2/3 and 7/12's the sum is one whole plus how many twelves?