Atheater has 40 seats in the first row, 42 in the second, 44 in the third etc. the theater has a total of 50 rows. how many seats are in the 50th row? how many seats are in the theater?

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

Find the value of x. give reasons to justify your solutions! l, m ∈ kn