A man spots an airplane at an angle of elevation of 18 o . Another man spot the same airplane at an angle of elevation of 25°. If the men are standing 500 ft apart, how high off the ground is the plane? Give your answer to the nearest meter. plz show your work

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

In triangles abc and wxy, a=w and b=x which of the following must be true to prove abc=wxy by the aas theorem? a. ab=bc b. bc=xy c. ab=wx d.