Simplify the ratio: 12.5 kg : 100g and convert it into fraction, decimal and percentage. PLS SHOW WORKING.

Solve the system by the elimination method. x + y - 6 = 0 x - y - 8 = 0 when you eliminate y , what is the resulting equation? 2x = -14 2x = 14 -2x = 14

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)