CAN SOMEBODY PLS HELP ME ASAP I DONT KNOW THE ANSWER TO THIS QUESTION AND IM VERY CONFUSED AND I NEED A REAL ANSWER NOT A LINK BECAUSE THOSE ARE FAKE!!!

The area of a 25-inch tv screen is 300 square inches. the area of a 40-inch tv screen is 768 square inches. the are of the smaller screen is what percent of the area of the larger screen?

Jack is considering a list of features and fees for denver bank. jack plans on using network atms about 4 times per month. what would be jack’s total estimated annual fees for a checking account with direct paycheck deposit, one overdraft per year, and no 2nd copies of statements?

What is the number 321,000,000 in scientific notation? also what is the number? ?