In a chemical compound, there are 3 parts zinc, for every 16 parts copper, by mass. A piece of the compound contains 320 grams of copper. Please write and solve an equation to determine the amount of zinc in the chemical compound.

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?

Susan is paying $0.30 per $100 on her $483,000 home in homeowners insurance annually. if her annual homeowners insurance premium is divided into twelve equal monthly installments to be included on each of her monthly mortgage payments of $2,128.00, what is her total monthly payment?

Taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1