Tulislah empt suku pertama dari barisan yang rumus suku ke n nya adalah un = 3n^2-1

Lorenzo ate 2/5 of his bag of almonds. his 4 friends ate equal shares of the remaining bag of almonds?

The volume of a cube is 8 in to the 3rd power. how long is each side?

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab