Right angles are similar. always sometimes never

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.