What is the volume of the cone if h=21 units and r=7 units using 3.14 for pie

Is one foot 1/12 of an inch?

Simplify Fully, then evaluate: x = 2 a) (3x^2) (x^3) (x)

How many 30 degree angles does it take to make 180

What is 1995,298 rounded to the nearest 10,000

Which of the following are operations in the algebra of sets? multiplication union division Intersection subtraction Select all that apply

Suppose a parabola has a vertex in quadrant IV and a<0 in the equation y=ax^2+bx+c. how many real solutions will the equation ax^2+bx+c=0 have?

A painter is placing a ladder to reach the third story window, which is 35 feet above the ground and makes an angle with the ground of 70°.

Which represents a quadratic function? f (x) = - 8x3 - 16x2 - 4x f (x) = x 2 + 2x - 5 f (x) = + 1 f (x) = 0x2 - 9x + 7 Mark this and return Save and Exit Next Submit

Which is the solution set of the inequality 15 Y - 9 is less than 36

The cost of circular mirrors is directly proportional to the square of the diameter. a circular mirror with a diameter of 60cm costs £50. What is the cost of a circular mirror with a diameter of 90cm?