1. (a) How many ohms are there in a 7.85-megohm resistor?

I can’t get the answer idk if u gotta add divide or multiple

How many years will P100,000 earn a compound interest of P50,000 if the interest rate is 9% compounded quarterly?

Please answer

The rigid bars ABC and CD are supported by pins at A and D and by a steel rod at B. There is a roller connection between the bars at C. Compute the vertical displacement of point C caused by the 50-kN load.