Pls hurry i need the answer

Alawn mower manufacturer incurs a total of 34,816 in overhead costs and 388 per lawn mower in production costs. how many lawn mowers were manufactured if the average cost of productions is 660

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

Which term below correctly completes the following sentence? if a function has a vertical asymptote at a certain x value, then the function is what at that value