Which of the following is equivalent to the expression 41? O A. 1
OB. i
O C. -1
O D.-1

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle?

Find the power set of each of these sets, where a and b are distinct elements. a) {a} b) {a, b} c) {1, 2, 3, 4} show steps

Factor this polynomial completely. x^2-8x+12