Plz help me 1+1 . I really need help plz thx

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

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