Three years ago, ava lent her sister $400 to buy some clothes. today ava’s sister paid her loan in full with $454. what simple annual interest rate did she pay?

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?

What is 0.000008 meters in scientific notation

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?