What shape has 3 equal sides 4 centimeters in length and no right angles

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earn $75 in interest.how much interest will she earn during the following year?

Use order of operations to solve. (24 divided 3) + 3.5 + 3 power of 3

Lucinda leaves money in her savings account for 8 years. she started with $800 and earned 3.5% interest compound annually. how much money is in her account?