Can someone help The cost of buying a used vacuum cleaner Varies depending on his age as shown in the scatterplot describe the trend in the scatterplot and explain your answer

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual