Asavings account pays 4 1/2% interest. how much interest will be earned on $450 in 3 years? how much money will be in the account in 3 years?

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000

See attachment below and find the equivalent of tan(∠qsr)