I need assistance with this assignment it add to my notes

1. [-/1 Points] DETAILS TAMUBUSCALC 5.5.004. 0/6 Submissions Used MY NOTES ABC Daycare wants to build a fence to enclose a rectangular playground. The area of the playground is 960 square feet. The fence along three of the sides costs $5 per foot and the fence along the fourth side, which will be made of brick, costs $15 per foot. Find the length of the brick fence that will minimize the cost of enclosing the playground. (Round your answer to one decimal place.) ft Submit Answer 2. [-/2 Points] DETAILS 0/6 Submissions Used MY NOTES A rancher wants to create two rectangular pens, as shown in the figure, using an existing fence line as one side. If there are 543 feet of fence available, what dimensions should be used to maximize the total area of the pens? fence line ft (smaller value) ft (larger value)3. [-/3 Points] DETAILS WANEAC5 5.2.020. 0/6 Submissions Used MY NOTES You are building a right-angled triangular flower garden along a stream as shown in the figure. The fencing of the left border costs $10 per foot, while the fencing of the lower border costs $2 per foot. (No fencing is required along the river.) You want to spend $400 and enclose as much area as possible. What are the dimensions of your garden, and what area does it enclose? [The area of a right-triangle is given by A = xy/2.] left border ft bottom border ft garden area Need Help? Practice It