Help and i will give brainiest if you answer them all if random will report

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

Determine if the equation defines y as a function of x: 2xy = 1. yes o no