The cast of a play had a party. there were 20 cookies and 40 carrot sticks as a refreshment. each cast member ate the same number of cookies and carrot sticks. nothing was left over. how many cast members were at the party.

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 areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct