Lori deposited 390 into a savings account. She earns 5.8 interest each year. What will be her new balance after the first year?

Which of the following expressions is equal to 2x^2+8

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long.at what angle is the sun above the horizon at that time?

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so