If −105 = −7 5 + 2 , then −2 =?

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6