What can be added to get -18 and multiplied to here -144? (number nine）

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?