Asmall plant is  212212  inches  tall. how tall will it be in  33  weeks if it grows  3434  inch each week? which method will not give the correct number of  inches?
a. multiply  2 1/2×3, and then add  3/4.
b. multiply 3×3/4 and then add 2 1/2
c. add 2 1/2+3/4+3/4+3/4
d. multiply 3/4 × 3 and then add 2 1/2

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Answer: d. 39 cmin the diagram, the approximate length of the minor arc de is 39 centimetres.step-by-step explanation: the formula for the length of an arc in a circle is as displayed below.let the length of the minor arc de = xx = 2( pi )r × angle of sector / 360°from this, we will substitute the values given from the problem into the formula to obtain the length of the minor arc de.x = 2( pi )r × angle of sector / 360°r = radius = 25cmpi as an approximate value = 3.14angle of sector = 120°x = 2( 3.14 )( 25 ) × 120° / 360°x = 157 × 1 / 4x = 39.25x = 39 ( rounded to the nearest whole number as an approximate value )