Just 7% of the atmosphere is made up of oxygen at the top of Mount Everest. If sea level atmosphere has three times as much, what percentage oxygen does the atmosphere have? (GIVING BRAINLIEST)​

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

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 drive in a whole day? ? 1 day = 24 hours. plzzz i will give you 100 points

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?