Which equation is true for x = 4? a) 2x + 5 = 25 b) 3x + 5 = 17 c) 5x − 18 = 7 d) 6x − 10 = 26

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost. swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

Atorch and a battery cost 2.50 altogether. the torch costs 1.50 more than the battery. what fraction of the total price is the torch? give your answer in its simplest form.