Evaluate each expression for the given value of the variable(s). 34+ 4/9w. w= -1/2 pls help

For each sentence below, find the value of x that makes each sentence true. (515) 5 = 25* x= (813)2 = 4* x=

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

Match each three-dimensional figure to its volume based on the given dimensions. (assume π = 3.14.) a right cylinder with radius 4 cm and height 3 cm 314 cu cm a cone with radius 5 cm and height 12 cm 160 cu cm a pyramid with base area 16 sq cm and height 30 cm 48 cu cm a pyramid with a square base of length 3 cm and height 16 cm 150.72 cu cm