A farmer uses a boom sprayer pulled by a tractor. The nozzles are 80 cm apart and spray at an angle of 70 degrees. What is the height, h, should the sprayer be placed above the crops to ensure that all the crops are watered? Answer to the nearest tenth of a cm.

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x,y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis

Find │7│. a. 1 over 7 b. –7 c. 7 asap i always mark brailiest who me so