Atool set is on sale for $424.15, the original price of the tool set was 499.00. what percent of the original price is the sale price

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2