Which of the following equations represents the statement below? A number m increased by 23 is equal to
15 more than twice the number m.
Om +23 = m + 15
Om + 23 = m2 + 15
Om + 23 = 2m + 15
Om + 23 = 2(m + 15)

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.

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20