Square root -80 by using imaginary unit I

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

Ben works in his dads bakery packing bagels each package can have no more then 16 bagels 3/4 of the bagels in each package are plain what other fractions could represent the part of the bagels in each package that will be plain

Is by a(-4, 2), b(-2, 4), c(1, 3), d(2, 2).of ofto . of d′ if90° to a′b′c′d′ (-2, 2) of c″ if90° to a″b″c″d″ (4, -2) of a′′′ if° to a′′′b′′′c′′′d′′′ (3, -1) of b″ if° to a″b″c″d″ (4, 2)