Elena agrees to finish a knitting project for a friend. the graph shows the number of rows elena completes compared to the amount of time spent knitting. assuming she worked at a constant rate, how many rows had been completed before elena started working? 12 14 15 19

Ivan began dividing g2  – 6 by g + 1, noting that . he started by placing g in the quotient, as shown below.what is g2  – 6 divided by g + 1? g –  1 –  g + 1  – g  –  7 + g  –  5  + 

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.

If 20% of a number is 35, what is 50% of that number?