HELP HELP HELP HELP A lake has a rectangular area roped off where people can swim under a lifeguard's supervision. The swimming section has an area of x^2+3x-40 square feet, with the long side parallel to the lake shore.

1.What are possible dimensions of the roped-off area? Use factoring.
2.How much rope is needed for the three sides that are not along the beach? EXPLAIN
3.The rope used to mark the swimming area is 238 ft long. What is x when the total length of rope is 238 ft? EXPLAIN

rick has $1400 and sally has $1500

step-by-step explanation:

to find amount of money rick has after 10 years :

principal = $1000 , time = 10 years , rate = 4% annually

to find amount of money sally has after 10 years :

her friend gives to pay her $50 per year, therefore money she has after 10 years = 50 × 10 = $500

also, sally gets $1000 after 10 years,

therefore, total amount of money sally has after 10 years = 500 + 1000 = $1500

so, after 10 years : rick has $1400 and sally has $1500

the number of the people going.

step-by-step explanation:

the cost to buy one movie ticket is $7. if the total cost for the movie is a function of how many people go, then the input is : the number of the people going.

step-by-step explanation: