Select all the expressions that are equivalent to 16−12−24+4. Explain or show your reasoning. 4+16−12(1+2) 40−16 16−24−4+12 −8−8 10(1.6−1.2−2.4+4)

What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?

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

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is