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Directions: Type the correct answer in each box. Spell all words correctly, and use numerals instead of words for numbers.
If necessary, use / for the fraction bar(s).
Evaluate each expression below.
Expression A: -1 - 3(6 - 8)
Expression B: 16 = 8.-1 + (-3)
Expression C: 4(7 – 10) + 8
Expression D: -3 + (-7)(–) +(-7)
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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 )