Cho biến ngẫu nhiên có phân phối xác suất X 1 2 3 4
P 0,15 0,25 0,45 0,15
giá trị phương sai 2X-2

a. she will receive a refund of $278.

step-by-step explanation:

the answer for this question is : 360°

step-by-step explanation:

we have been given a triangle   we need to tell which one of these is a triangle below to map onto itself.

360° rotation is the complete rotation which eventually leads to the same figure which is given.

the correct will be, that is 360° that will cause the triangle below to map onto itself.