Which cosine ratios are correct for apqr?

Complete the table for different values of x in the polynomial expression -7x2 + 32x + 240. then, determine the optimal price that the taco truck should sell its tacos for. assume whole dollar amounts for the tacos.

Awindow has the shape of a rectangle with a semi circle at the top. find the approximate area of the window using the dimensions shown. 4ft by 8ft

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6