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3; 9 is 8 to -4

step-by-step explanation:

you probably already have the answer but anyways it's b. 15.0

step-by-step explanation:

d

because parallelagram have all 4 angels the same size dependeing and a rectangle and square are oth parallelogram

take the logarithm of both sides (the base of the log doesn't matter):

apply the exponent property - this says that :

distribute the log terms on both sides:

group like terms together:

divide through both sides by the coefficient on :

you can do some additional rewriting here using the properties of the logarithm to simplify things if you like: