A company needs to take 10 sample sensor readings. If the sensor collects data at 1/2 of a sample per second, how long will it take the company to take all 10 samples?

Can someone me immediately, this is due by midnight! if you can't see the question, i'll text it to you. show the steps you took to get your answer.

The first and second steps to solve the equation 3x/5 + 5 = 20.are shown below 3x/5 + 5 - 5 = 20 - 5 3x/5 (5/3) = 15 (5/3)a.addition property of equality b.subtraction property of equalityc.multiplication property of equalityd.division property of equality

The curved part of the figure is the semicircle what is the best approximation for the area of this figure