Un termómetro leído-17 f a la 1: 00 a. m. a las 2: 30 a. m., la temperatura había bajado 9.1 ° f. ¿cuál era la temperatura a las 2: 30 a. m.? a) -26.1 f b) -8.9 f c) -7.9 f d) +7.9 f

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236

If its non of them tell me..valerie took a day-trip. she drove from her house for a while and took a coffee break. after her coffee break, she continued driving. after  2  hours of driving after her coffee break, her distance from her house was  210  miles. her average speed during the whole trip was  60  miles per hour.valerie created the equation  y−210=60(x−2)  to represent this situation, where  xx  represents the time in hours from her coffee break and  yy  represents the distance in miles from her house.which graph correctly represents valerie's distance from her house after her coffee break?