The perimeter of a rectangle is 50 cm and the length is 4 cm longer than the width. write and solve the system of equations using the substitution method

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

Hurrya vegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide if one bag of gravel covers 9 square feet how many bags are needed to cover the path

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