Students must design a device that uses 25 grams of Reactant 1 and produces the maximum amount of heat with the smallest amount of Reactant 2. How much of Ractant 2 should they use to meet the criteria of the sesign challenge?

Eleni and analisa are driving to ms. a's wedding. eleni is going east at a rate of 50 mph and analisa is driving south at 38 mph. at what is the distance between the cars changing when eleni is 1 mile and analisa is 3/4 mile from the wedding?

Which of the following is not a feature of the surface mining control and reclamation act? regulation of surface coal mines repayment of loss of benefits to ill mine workers restoration of lands to pre-mining conditions retroactivity return of land to original topography

(i think the answer is c, can someone confirm if i’m correct? if not correct and i’ll mark you brainliest + 15 free points ) even when you have the right-of-way, you're responsible for before you drive forward. a. yielding to other road users b. honking to alert other road users c. making sure the path is clear d. flashing your headlights