Find the average value of the function f(x, y) = 6/ x2 + y2 on the annular region a2 ? x2 + y2 ? b2, where 0 < a <
b.

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6