Carol H. answered 07/21/18
Tutor
4.9
(285)
Experienced Mathematics Tutor w/ Master's Degree in Math
AB/DF = AC/DE
15/4 = 21/DE Cross Multiply
15DE = 84
DE = 5.6
DE = 5.6
Aisha S.
asked 07/21/18
Carol H. answered 07/21/18
Experienced Mathematics Tutor w/ Master's Degree in Math
Get a free answer to a quick problem.
Most questions answered within 4 hours.
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.