If A=-2q^2+10 and B=2q-10 find an expression that equals A+2B in standard form

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

What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)

The median for the given set of six ordered data values is 29.5 9 12 25 __ 41 48 what is the missing value?