PLEASE HELP THIS IS DUE IN A SOON PLEASE I WILL MARK YOU BRAINLIEST!! Please help me:( Find the indicated values.
I need help on number 1, 3 on the bottom, 4 and 5

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.

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

What is the difference between the equations of a vertical and a horizontal line?