Martha had a bag of 10 marbles with 6 blue , and 3 red and 1 green , but she lost one . What is the probability the bag now contains only blue and red marbles.

Rewrite the hyperbolic equation 4y^2 -9x^2 +54x-8y-113=0

Which expression is equivalent to sq-80

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36