6. a pair of socks went from $5 to
$6. what is the percent increase?

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?