The perimeter of a rectangle can be expressed by p = 2l + 2w. how can this equation be solved for l? i just need the equation answer

Describe all the numbers that when rounded to the nearest thousand are 645,000

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

Whats are the trickiest steps to do when adding or subtracting rational expressions? how does knowledge of rational numbers u in adding and subtracting rational expressions?