Seraphina is driving two hours to visit her family. for the first hour, she traveled at a speed of 60 miles per hour. then, in the second hour, she traveled at a speed of 73 miles per hour. what is the percentage increase of seraphina's speed? if necessary, round to the nearest tenth of a percent.

What is the compound interest in a three-year, $100,000 loan at a 10 percent annual interest rate a) 10.00 b) 21.00 c) 33.10 d) 46.41

What expression is equivalent to 1/2(2+3x-6)

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old