Bob is saving $250 to buy a new pair of AirPods. He already has $50. Bob is going to save $20 each week until he has enough money to purchase the AirPods.

What is the first step of an indirect proof of a number that is divisible by two

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

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