The area of a rectangle is given by the expression x^2 + 5x + 4. if the length of one side is given by x + 2, what is the length of the other side? a. x+3 b. 2/x+2 c. x+3 - 2/x+2 d. x+3 + 2/x+2

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

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.

What expression is equivalent to (2x-1)(x-3)?