I WILL GIVE 100 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT. Refer to the given figure and select the answer that correctly completes the sentence below.

How do you answer this question? (step by step)

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60