Which number is greatest?, −3², (−3)², −2², (−2)², Which is closest to zero?, −0.5, 1/3, −1/4, 0.2, Without expanding fully, which is greater?, 49 × 51, 50 × 50, Both are equal, Cannot be determined, If a+b=10, which must be true?, a and b are both less than 10, One of them must be greater than 5, Both must be equal, One can be negative, Which is greater?, 3/5, 5/8, Both are equal, Cannot be compared, A recipe uses flour and sugar in ratio 2 : 3. If flour is doubled, what happens to the ratio?, 4 : 3, 2 : 6, 2 : 3, 4 : 6, Two different rectangles have the same area. Which must be true?, Their perimeters are equal, Their lengths are equal, Their widths are equal, None of these must be true, The sum of angles in a triangle is 180°. If one angle increases, what must happen?, All other angles increase, At least one other angle decreases, All other angles decrease, Nothing changes, 2, 6, 18, 54, ___, 72, 108, 162, 216, The sum of two numbers is 30. One number is greater than 20. Which must be true?, The other number is less than 10, The other number is greater than 10, Both numbers are greater than 15, Cannot be determined

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