In the figure, cd = ef and ab = ce. complete the statements to prove that ab = df. cd + de = ef + de by the property of equality. ce = cd + de and df = ef + de by . ce = df by the property of equality. given, ab = ce and ce = df implies ab = df by the property of equality.

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?