a tower is 50m high its shadow is x meters shorter when the suns altitude is 45 degree than when it is 30 degree, find x correct to the nearest cm

Two positive integers are 3 units apart on a number line. their product is 108. which equation can be used to solve for m, the greater integer? m(m – 3) = 108 m(m + 3) = 108 (m + 3)(m – 3) = 108 (m – 12)(m – 9) = 108

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

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