- If A = πr2, find A correct to 1 decimal place if r = 3·4.?

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In the letters of the word ATTRACTION, find the number of ways in which exactly two T s occur together.? Would tripling the height of a triangular prism triple its volume? Please explain your answer.? A girl on a sled coasts down a hill. Her speed is 7.2 m/s when she reaches level ground at the bottom. The coe? The limit h→0 (3+h)^2-9/h
represents the derivative of some function f(x) at some number a. Find f and a. f(x)=
a=? Prove the following assertions involving arbitrary sets A, B, C: (a) A × (B ∩ C) = (A × B) ∩ (A × C) (b) (A ∪ B) × C = (A × C) ∪ (B × C)?