There are 100 students attending a math contest, the average score of
them is 63, of which boys have an
average score of 60 and girls have an
average score of 70. How many girls
have attended the contest?

Can you draw an isosceles triangle with only one 80 degree angle?

Abiologist is recording the loss of fish in a pond. he notes the number of fish, f, in the pond on june 1. on july 1 there were 63 fish in the pond, which is 52 fewer fish than were in the pond on june 1. which equation represents this situation? a. f – 52 = 63 b. f – 63 = 52 c. 63 – f = 52 d. f – 63 = –52

Which of the following is a justification used while proving the similarity of triangles lom and mon