What is the equation of the line passing through the point (0,4) and making an angle of 45° with the positive xaxis?
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97 x 97 = ?
What is the effective discount (in %) on two successive discounts of 20% and 10%?
A piece of work can be done by 16 men in 8 days working 12 hours a day. How many men are needed to complete another work, which is three times the first one, in 24 days working 8 hours a day?
What is the measure of an interior angle of a regular dodecagon?
The surface area of a sphere is 2464 cm². Find its diameter (in cm).
The surface area (in sq.cm.) of a sphere with radius 1 cm is :(pi = 22/7)
23 x 31 = 713. How much is 0.0713 / 3.1?