Acylindrical water tank has a radius of 6 feet and a height of 20 feet. a larger tank with the same radius has a volume that is 2 times the volume of the smaller tank. what is the height of the larger tank?

a) 30 feet
b) 40 feet
c) 50 feet
d) 60 feet

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2

Which of the functions graphed below has a removable discontinuity?

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap