Step-by-step explanation:




28p+ 14q + 21r
hope this helps !
you just multiply the parentheses by 7
Answer:
I have the right answer now!
Step-by-step explanation:
Base: 8×8=64
Triangular base: 16×8= 128÷2= 64
All Triangle base added up:64×4= 256
64+256=320
320!
Hope this helps!
Pls give me brainliest!
Answer:
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Step-by-step explanation: