Salma is 1.45 meters tall. At 3 p. m., she measures the length of a tree's shadow to be 29.35 meters. She stands 24.3 meters away from the tree, so that the tip of her shadow meets the tip of the tree's shadow. Find the height of the tree

In the surface area formula for cylinders which expressionrepresents the lateral area

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14

What is the simplified form of square root of 400 to the 100th power ?