Len wants to write the number 100,000 using a base of 10 and a exponent. What number should he use as the exponent.

Two numbers have a sum of -19. one number is x. what expression represents the other number?

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)

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