A coat cost $39.99 at Walmart. The sales tax is 4.5%. What is the total amount of the sales tax? Options:
1. $1.80
2. $38.19
3. $41.79
4. $44.49

Janets dinner costs 7.50. if she wants to leave a 10% tip how mich extra should she leave

Given: ab ≅ bc and ao ≅ oc ok − angle bisector of ∠boc find: m∠aok

Calculate the total payback for a $3,500 loan at 8% annual interest with monthly payments for two years. show all of your steps. use the formula, m = pm(1 + m)^na/(1 + m)^na - 1, as needed.