Sheet Pan Steak Fajitas

Name: Sheet-Pan Steak Fajitas
Ingredients: 1/4 cup extra-virgin olive oil; 2 tsp. chili powder; 2 tsp. ground coriander; 2 tsp. ground cumin; 2 tsp. kosher salt; 1 large red onion, halved, sliced into 1/4 strips; 3 large bell peppers, preferably mixed colors, sliced into 1/2 strips; 1 lb. fajita steak or thinly sliced flank steak; 8 flour tortillas; Sour cream, lime wedges, and hot sauce (for serving)