In an arithmetic series, S40 = 1900 and U40 = 106. Find the value of the first term and the common difference.

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a. the profit when the unit price is equal to 0b. the unit price(s) when the profit is equal to 0c. the profit when the unit price is greatestd. the unit price(s) when profit is greatest

Can any one me with the answers to these questions asap?