Scils Practice convert the following factions into decimals. You must show your work. How can I turn the fraction 3/12 into a decimal?

#12 find the value of x. #13 find the value of the variable.

F(x) = x2 − 9, and g(x) = x − 3 f(x) = x2 − 4x + 3, and g(x) = x − 3 f(x) = x2 + 4x − 5, and g(x) = x − 1 f(x) = x2 − 16, and g(x) = x − 4 h(x) = x + 5 arrowright h(x) = x + 3 arrowright h(x) = x + 4 arrowright h(x) = x − 1 arrowright

Find the solution of this system of equation -7x+y=-20 9x-3y=36