The radius r of a circular disc is increasing at the rate of 0.5cm/sec. At what rate is the area of the disc increasing when its radius is 6cm?

The maximum value of the function
f(x) = 2 + x - x² is

Find the area of the figure bounded by the given pair of curves y = x² - x + 3 and y = 3

The histogram above shows the distribution of monthly incomes of the workers in a company. How many workers earn more than N700.00?