The area of a square garden is 81 feet. if you want to put a fence on only 3 sides of the garden, how many feet of fence will you need to purchase?

Question 101 points)which equation in slope-intercept form represents the line that passes through (5, 1) and(-4,7)

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6