-4x + 7.3x + 19.2x - 8.23
and it’s not 22.5x - 8.38 by the way, I tried it .

In a certain pentagon, the interior angles are a, b,c, d,e where a, b,c, d,e are integers strictly less than 180. ("strictly less than 180" means they are "less than and not equal to" 180.) if the median of the interior angles is 61 and there is only one mode, then what are the degree measures of all five angles?

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)