Roxannee is buying suppliers for a catering job. She bought a piece of salmon for $31.28. If the cost of the salmon was $9.20 per pund, how many pounds did she buy? (Show your work)

P= $1400,300 r = 7 1/2% t = 4 what is i ? $4.29 $429.00 $4290.00

Which system of linear inequalities is represented by the graph?

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.