Which one is the simplest fraction, 6/20, 15/35, 8/14, or 9/16?

Write the expression as a single natural logarithm. 2 in a - 4 in y

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top