Three numbers are chosen at random.

the middle number is 4 more than the smallest number.
the largest number is two times the smallest number.
the sum of the 3 numbers is 54.

what is the smallest number?

In the rectangle below ac=30 units what is de

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.

Find solution of the linear equation y = 2/3x + 1/3