If your percentile rank in a group of 500 students is 84, how many persons rank lower than you?

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n

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?

Rena used the steps below to evaluate the expression , when . step 1: substitute into the expression. step 2: simplify the parentheses. step 3: evaluate the power to a power. step 4: use reciprocals and find the value. in which step did rena make the first error?