What number can be subtracted from both the numerator and the denominator of this fraction to produce the fraction on the right? 34/53 -? =1/2

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.

Polygon abcd is a parallelogram, and m? abc = 127°. the length of is 10 units, and the length of is 5 units. the perimeter of the parallelogram is units, and m? bcd is °

Emmanuel added 888 links per minute to his chain mail. allesia started 202020 minutes after emmanuel and added 131313 links per minute to her chain mail. how long had emmanuel worked when allesia caught up to him, and how many links had he added?