HELP ME PL You can complete three-tenths of a task in an hour. Your friend can complete one-fifth of the same task in an hour. How long will it take to complete the task if you work together? Please explain how you solved it.
I will mark brainlist if correct. ;w;

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min. if they did not stop driving, how many miles could kyle and elijah drove in a whole day? ? 1 day = 24 hours. plzzz write a proportion i will give you 100 points

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?