If the cost of 10 pencils is $52 1/2 find the cost of 1 pencil 1. 5 1/4

2. 1 5/4

3. 4 1/5

4. 2 1/5

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.

Agroup of randomly selected members of the foodies food club were asked to pick their favorite type of food. the bar graph below shows the results of the survey. there are 244 members in the foodies.

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid