Which expression is equivalent to 7t + 14?
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Which expression is equivalent to 6(r + 1)?
Which expression is equivalent to 5(q – 7)?
Select all expressions equivalent to 4p + 5p.
Which expression is equivalent to 3n + 15?
Which expression is equivalent to 9(b – 7)?
Select all expressions equivalent to 8a + 5a.
Which expression is equivalent to 7t + 63?
Which expression is equivalent to 6(r + 1)?
Which expression is equivalent to 5(q – 7)?
Which expression is equivalent to 3n + 39?
Which expression is equivalent to 2(m + 1)?
Which expression is equivalent to 9(b – 7)?
Select all expressions equivalent to 8a + 5a.
Decide whether the matrix [[-3, 2], [0, -1]] is invertible.
Find the determinant of the matrix [[3, 5], [-4, -1]].
Decide whether the matrix [[2, -5], [-1, -4]] is invertible.
Decide whether the matrix [[2, -4], [2, 0]] is invertible.
Find the determinant of the matrix [[-4, -5], [-2, 3]].
Decide whether the matrix [[4, 2], [0, 1]] is invertible.