the area of a square is given by x2, where x is the length on one side. Mary's original garden was in the shape of a square. she has decided to double the size of her garden. write an expression that represents the area of mars new garden. evaluate the expression if the side length of mary's original garden was 8 feet

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?