Daslyn has a piece of rope 2.085 meters long and another piece 2.63 meters long . which piece can she cut to make a piece that is 2.5 meters long?

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.

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

Anyone know these questions? i need ,.