Distribute and then combine like terms to simply the following expression -3 (2x + 4) - 2 (8 – 8x) + 52 I

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Which problem would you use the following proportion to solve for? 24/x = 40/100 a. what is 40% of 24? b. what percent is 24 of 40? c. twenty-four is 40% of what number? d. forty percent of 24 is what number?