Which traingles unknown side length measures 7 units?

Answers; a) 135 degree’s b) 30 degree’s c) 180 or 0 degree’s d) 90 degree’s

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

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?