Q6. The diagram shows two similar solids, A and B. Solid A has a volume of 80 cm.
(a)
Work out the volume of solid B.
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△cde maps to △stu with the transformations (x, y) arrowright (x − 2, y − 2) arrowright (3x, 3y) arrowright (x, −y). if cd = a + 1, de = 2a − 1, st = 2b + 3 and tu = b + 6, find the values of a and b. the value of a is and the value of b is .

What are the coordinates of the hole in the graph of the function f(x) ? f(x)=x2−9x−3 enter your answer in the boxes.

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?