Which of the following angles are congruent?
a.
a 30° angle and a 30° angle
b.
a 60° angle and a 60° angle
c.
an 130° angle and an 130° angle
d.
all of the above

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?

What is the absolute value of the complex number -4-sqrt2i