Which is true about the polynomial 18r^2s + 6r - 7s^2? a. it’s a binomial with a degree of 2 b. it is a binomial with a degree of 3 c. it is a trinomial with a degree of 2 d. it is a trinomial with a degree of 3

What are the sotions to the quadratic equation 9x^2=4

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

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?