What is m∠DEF?
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Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Which diagram best shows how fraction bars can be used to evaluate 1/2 divided by 1/4?

Which angle of rotation is an angle of rotational symmetry for all figures?