Simply distribute the -3 across the b and -7.
-3(b - 7) = (-3 * b) + (-3 * -7) = -3b + 21
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Answer:
x=6
y=4
Step-by-step explanation:
plz mark brainliest
A=lxw so 640in that is your answer
Answer:
Step-by-step explanation:
area = pi x 4sq. = 50.3
circumfrence 2 x pi x 4 = 25,1