Find the interest
earned
$15000for 7.5 years at 4.2 annual compound interest

Measures of the angle of r, 31 s (x+4) t (3x+9)

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

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?