Four less than the product of 11 and Victor's height

The angle of elevation from point a to the top of the cliff is 38 degrees. if point a is 80 feet from the base of the cliff , how high is the cliff ?

X= 3y - 6 2x - 4y = 8 solve the system of equations using substitution. a) (-12,-2) b) (15,7) c) (21,9) d) (24,10)

The diagram shows a cuboid abcdefgh abcd is a square with area 25cm². find the volume of the cuboid.