3(-4y+5)-8(-2y-4) can be written in the form (ay+b) by following the following steps:
2 answers:
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Answer:
4, It is the height of triangle ABC
Step-by-step explanation:
The easy way is to just count. But you can also use the Pythagorean theorem because BDC is a right triangle. First, use the distance formula to find BC. =5
5^2=BD^2+DC^2
25=BD^2+9
BD=4