Which of the following is not a diameter?

sv
ru
wt

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.