Nate's weekly pay increased from $710 to $770. Which of the following is closest to the percent that his pay increased?

(3) 8.5%
(1) 7.2%
(4) 8.9%
(2) 7.8%

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?

What is the perimeter of square abcd? units units 28 units 37 units

Is the power produced directly proportional to the wind speed, give reasons for your answer?