A ship heads due north for x miles, then turns 25° east of north and travels for another y miles. Which expression represents
the distance the ship is from the original starting point?
O x+y= 2xycos 155
O VxZ+y2 - 2xycos 1550
o x+y= 2xy cos 250
o VzZ+y2– 2xycos 25°

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)

Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24