The standard deviation of the numbers 3, 8, 12, 17 and 25 is 7. 56 correct to 2 decimal places. What happens if each of the five numbers is increased by 2?.

Vera is on her school's track and field team. in a practice long-jump competition against her teammates, she gets 5 points for landing over the farther line. she gets a total of 7 jumps and lands x times over the farther line and the rest of the times over the closer line. which of the following functions represents vera's total score? a. f(x)=10x b. f(x)=5x+35 c. f(x)=10x+5 d. f(x)=70-5x

Sat no calculator section question in the picture

What is 7/81 as a percentage? round your answer to the nearest tenth of a percent.