Which fraction is greater than the fraction represented by the model?

a=1/4
b=7/16
c=1/8
d=3/16

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

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.

Empty box + box + empty box fill in the box is equal to 30 how