Carrie used 6 lemons to make 24 fluid ounces of lemonade. Carrie is having a big party and needs to make 288 fluid ounces of lemonade. How many leominster will she need to use in order to keep the recipe proportional

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.

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?