The values of x and y vary directly and one pair of values are given. write an equation that relates x and y.
x=1,y=0.5
need

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

Tan198=asin164=? how to solve this? ?

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?