15a + 22b = 5
40a + 55b = 13
can someone

After the seventh month of a 12-month loan: the numerator is: {(n + 11) + (n + 10) + (n + 9) + (n + 8) + (n + 7) + (n + 6) + (n + 5)} = , and the denominator is: {(n) + (n + 1) + + (n + 11)} = . therefore, the fraction is numerator/denominator (to the nearest tenth) = %

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1