mustafa's pretax income is $59,808.
given in the question mustafa's annual salary = $67,200
and mustafa contribute 11% of his salary to his 401 k plan.
since we know that 401 k plan is a retirement plan in which an employee gets the exemption from his salary on a pretax basis.
therefore exemption will be = 11% of $67,200
now pretax income or taxable income = 67,200-7,392 = $59,808
therefore pretax income of mustafa is $59,808.
x - 10 = 6
let x be your unknown number.
reflect over the x-axis means to switch the sign of the y coordinate:
reflect over the y-axis means to switch the sign of the x coordinate:
reflect over the both axes means to switch the sign of both coordinates:
plot these points on a graph and you'll see that you obtained a rectangle
2/7 of a cup
this means he needs 5/7 of the 2/5 cup of the whole recipe, so it is (5*2)/(7*5) or 10/35 or 2/7 of a cup.