Answer:
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Step-by-step explanation:
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Perimeter = 2w + 2l = 2(12) + 2(10) = 44
27-5 = 22
22/11 = 11
there are 11 boys at the party
expression = b+5
Answer:
(-A)^2 for A = 5
(-5)^2
=25
Step-by-step explanation:
first, replace A by 5, and maintain the negative to the 5.
multiply (-5)^2.
nb: don't forget to maintain the bracket when multiplying. if you maintain the bracket, you'll get a positive number, but if you don't, you'll get a negative number.