Ascientist from the united states conducts an experiment using miles per hour to measure speed. why might this be confusing for scientists in other countrys

Ijust had 2 disney lolipops. my stomach is hurting. why is it hurting? (actual test question) a. too much sugar b. see a doctor (no ) c. not eating healthy d. allergic to something in the lolipops

Technician a says after tire service work tires and wheels must be in a state of static and dynamic balance in order to avoid vibration in service. technician b says tires and wheels are balanced at the factory and do not need further balancing. who is correct?

Idon’t understand 8. plz ! we are finding the area of polygons. thx in advance!