To solve this system of equations by elimination, what operation could be used to eliminate the x-variable and find the value of y?

−6x − 4y = 2
−4x − 7y = 2

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

You have 17 cats that live in houses on your street, 24 dogs, 3 fish, and 4 hamsters. what percent of animals on your block are dogs?

Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.