[PLEASE HELP] Two similar polygons are shown. Find the values of 'X' and 'y'.

Which of the following system of equation is not equal to the system of equations is not equal to the system of equations shown below

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 1)?

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.