The length of a rectangle is 8 1/2 inches and the width 3 1/4 inches. what is the ratio, using whole numbers, of the length to the width? 13: 34 34: 13 17: 13 1311

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.

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?

X^2/100+y^2/25=1 the length of the major axis is: a)5 b)10 c)20