Abookstore had 64 copies of a magazine. yesterday it sold 7/8 of them. how many copies were sold yesterday

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

In the rectangle below ac=30 units what is de

Which value is not a solution of 8x^3 – 1 = 0