Work out the surface area of this solid quarter Cylinder Give your answer in terms of pi
Height: 16cm
Radius: 8cm

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

What are the interpretations of the line 3x - 15y = 60? x-intercept y-interception a: x 20 - y -4 b: x 5 - y 20 c: x -3 - y 15 d: x -4 - y 20

What is the sum of 25x + 15y and (-18x - 6y)