Arectangular picture frame is 5/8 feet wide and 3/4 feet long. write an equation for finding the perimeter of the picture frame.

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?