Diagram 3.3 shows a cylinder of radius 12 cm. Its height is twice of its base diameter. Suhaila has a straight iron stick of length 54 cm. Could the iron
stick fit completely into the cylinder? Give your reason by showing the suitable
calculation.

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

What is the result of adding the system of equations? 2x+y=4 3x-y=6