Answer:
32
Step-by-step explanation:
If you cut the rectangle (the wall) diagonally, you get two congruent triangles. The measurements of the sides of one the triangles is 8, 15 and x. There is a pythagorean triples 8, 15, 17 so x has to be 17. if you dont know the triple you can do a^2 + b^2 = c^2 8^2 + 15^2 = c^2 c = 17
the diagonal of wall should be 17
Nine more than the quotient of two and a number X can be expresssed as :
2/x + 9
Hope it helps
Answer:
it would be C because they are positive
Biology Boys = 25
Chemistry Girls = 26
Chemistry Boys = 31
Physics Boys = 47
Physics Total = 76
Total Boys = 103