A factory requires 84 machines to produce a given number of articles in 32 days. How many machines would be required to produce the same number of articles in 21 days?

Which of the following statements are equivalent to the statement "price decreased by 1/3"? Choose ALL correct answers- (A) The price doubled (B) The price is 150% of the price before (C) The price was reduced by a quarter (D) The price became a

Which expression finds the measure of an angle that is coterminal with a 126° angle? 126° (275n) °, for any integer n 126° (375n) °, for any integer n 126° (450n) °, for any integer n 126° (720n) °, for any integer n

The standard unit of measurement for length is the: meter mile yard centimeter

Convert 72832 ounces' to tons?

4y - 3x - 2y 11 x - 2 x

If chord is 3 inches from the center and chord is 5 inches from the center of the same circle, then chord CD is the longer chord.

Tom gets a bonus of 30% of £96 Sally gets a bonus of £31.40 Work out the difference between the bonus Tom gets and the bonus Sally gets.

Write (x - 5) (x + 5) (2x - 1) in standard form. -x2 + 2x2 - 50x + 25 2r? - x? - 50x + 25 2x - x2 - 50x -50x - x? + 2x

Simplify by combining like terms. (Do not factor) 2x^2 + 2xy - 7y^2 - 7y^2 - xy + 2y^2

A Sprinter sprints at 8.0m/s. A cyclist rides at 20km/h. Who is faster? Show your workings clearly.