2 answers:
Answer:
last one: 20
Step-by-step explanation
4*5 + 7*-3 +3*5 - 2*-3
20 + -21 + 15 - -6
-1 + 15 - -6
-1 +15 + 6
14 + 6
20
Answer:
20 or D.
Step-by-step explanation:
You simply plug in the values given for a and b:

So, your answer is 20.
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210 is 21 groups of ten. 240 is 24 tens
Answer:
the answer is E !!!!!!!!!!!!!!!!!!! ; )
Answer:
height AB is 8 cm
Step-by-step explanation:
AB= √AC^2- BC^2
= √(10)^2- (6)^2
= √100-36
= √64
= 8
You are correct there's at least one obtuse angle
You're welcome! This took me forever!