Answer:
red balls = 5
blue balls = 5
total balls = 5 blue+5 red
= 10
AAS Angles A and D are one pair of congruent angles, then angles B and E are congruent because they are both right angles, following that you have line BC as congruent to EF so that is an angle, an angle, and a side so AAS
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Answer: is it on chart? if count rise over run
Step-by-step explanation:
Rewrite and factor 9 and 21;
3•3+3•7= 3(3+7)
GCF for 9 and 21 is 3