If AB bisects CD at E and AE = -10x, CE= 2x^2 + 18, BE= 4x+18, and DE= -12x determine the length of DE

Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults.how many students and adults went if the ticket charge was $42.75

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?