Systems equivalent to 5x^2+6y^2=50 and 7x^2+2y^2=10

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

Seattle, washington is known for being rainy. one day last month, 8 inches of rain fell in 1 1/2 hours. what us the rate of the rainfall expressed in ft per plzzz write a proportion i will give you 100 points