These two lines represent a system of equations.
What is the solution to that system?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Anew landowner is interested in constructing a fence around the perimeter of her property. her property is 1,080√30 feet wide and 500√20 feet long. what is the perimeter of the property? (recall that the perimeter is the sum of each side of a shape or boundary). a 1,580√40 feet b. 5,320√5 feet c. 3,160√20 feet d. 10,640√5 feet

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!