55 points. Please help fast. Fastest one (must be correct too) will get brainliest.

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class