Can anyone slove this question with step wise... The sale price of a bed is Nu 1200. This is a savings of 20% off the regular selling price. What is the regular selling price of the bed​

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.

Why can't my rank go i have 1723 points, but my rank is only at ambitious, which is only 250 points! like, (p.s. i know this isn't related to math, but i just don't know why it's doing this and i would really appreciate if someone could tell me whats going on with this)