You just carpeted a 12 foot by 15 foot room for $1080. about how much would you expect to pay for the same carpet in another room that is 8 foot by 6 foot?

How many different ways can you make change for $.50 using only nickels,dimes, and quarters?

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.

How do you solving the solution of each system using elimination?