8. Find the area of a sector
formed by a 105º central angle
in circle with a radius of 5 in.

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square