In ΔLMN, the measure of ∠N=90°, the measure of ∠L=62°, and NL = 6.9 feet. Find the length of LM to the nearest tenth of a foot.

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in