Find the value of X triangle
please help me it’s due rn

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

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

What is y times x by? y is __ times x