The owner of an antique store estimates that there is a 45% chance she will make 1200 when she sells an antique china cabinet, a 50% chance she will make 900 when she sells the cabinet, and a 5% chance she will break even when she sells the cabinet. Determine the expected gain or loss for the store.

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.

X-10/4 when x = –18 a 7 b –2 c –7 d 2