A triangular pyramid with an equilateral base has a side length of 10 centimeters and a surface area of 214.5 square centimeters. Find its slant height. No photo given. ​

Is the point (0, 8) on the x-axis or y-axis? how do you know?

(05.02)a farmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. a parallelogram with a height of 6 yards and side length 9 yards. the height forms a triangle with the slanted side of the rhombus with a base of 2.5 yards. rhombus is split into a soy half and a corn half. each bag of soil covers 40 square yards. how many bags should the farmer purchase?

The function f(x)= -(x+5)(x+1) is down. what is the range of the function?