A line of sight to the top of a tree meets the ground at an angle of 45°. the distance to the base of the tree was measured and drawn to scale on the student's drawing as shown. how tall is the tree?

Given f(x) = 10x + 4 and g(x) = 3x - 8, what is f(x) + g(x) ? - 7x - 4 - 13x + 4 - 7x + 4 - 13x - 4

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply