Como eu faço pra subtrair frações em expressão numérica?​

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth