Can somebody help me with the statements and explain why? ty!

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.