X = -7 you can just look this up too
Answer:
180 ft
Step-by-step explanation:
The perimeter of a geometric figure is the sum of the lengths of its sides. Opposite sides of a rectangle are of equal length, so the perimeter can be figured as twice the sum of the length of adjacent sides:
2(60 ft + 30 ft) = 180 ft
Mrs. Chen needs 180 feet of fence.
Yes because you can multiply each sides number by three and it equals the larger figures side numbers.
500ft of fencing is available to enclose a rectangular area 10ft along a highway. Only 3 sides are needed. What dimensions will produce an area of 40000? What is the maximum area that can be enclosed...