The surface area S of a human body in square meters can be approximated by S = √
h m / 36 where h is height in meters and m is mass in kilograms. A basketball player with a height of 2.1 meters has a surface area of about 2.7 m^ 2 . What is the player’s mass?

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle