Isaac drinks 8 glasses of water each day .he says he will drink 2,920 glasses of water in year that has 365 days.
is the exact answer reasonable ? explain

How can you construct perpendicular lines and prove theorems about perpendicular lines

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca

Solve 2 - 3 cos x = 5 + 3 cos x for 0° ≤ x ≤ 180° a. 150° b. 30° c. 60° d. 120°