If measure of Angle # 1 = (7x-19), and the measure of Angle # 2 = (x+5), find the measure of Angle #1.

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%

Asap! i'm not good math and i'm lost.

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?