Give the values of a, b, and c needed to write the equation's standard form. (5 + x)(5 - x) = 7 a = 1; b = 0; c = -18 a = 25; b = 0; c = -1 a = -1; b = 0; c = 25

Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same