Answer:
D. 21
Step-by-step explanation:
replace 21 for r, 4(21)=84
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Answer:um what are the options
Step-by-step explanation:
Answer:
64
Step-by-step explanation:
5ft x 4ft = 20
4ft x 6ft = 24
5ft x 4ft =20
24+20+20=64
Hope this helps u
Answer:
-10-6
Step-by-step explanation:
i don't really know the workings
1, 4 and 7 angles are congruent to 56°
hope this helps ^-^