Work out the area of a semicircle with radius 3 cm.
Give your answer in terms of pi .

The polynomial function of least degree with a leading coefficient of 1 is: f(x) = x3 + ax2 + bx + c

The surface area (sa) of a cube with a as the length of each of its sides is given by the formula . if the surface area is known, how can you rewrite the formula to find its side?

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?