The width of a rectangular room is 55% of its length. the length of the room is 20 feet. what is the area of the room?

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

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.

If angle 2=3x +1 and angle 3=2x +4what is angle 2