A ruler 30 cm long is broken into two parts in the ratio 8:7. How long are the two parts?

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation

Bring the fraction a/a-4 to a denominator of 16-a^2

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.