There are 32 pupils in a class. 20 of them are girls. what is the ratio of boys to girls in its simplest form?

What is the vertex form of f(x) = x2 + 6x + 3

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.

What point is the projection of q on a) r b) s c) t