Write the expression as a single logarithm.

Compare the subtraction problems 6/8 - 5/8 = 1/8 and 6/9 - 7/9 = 1/9 why is the answer to the first problem positive and the answer to the second problem negative

In the rectangle below ac=30 units what is de

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