The sum of 5 and 8 times a number is 45 Which of the following equations below can be used to find the unknown number

A.) 5+8x = 45

B.) 5*8x = 45

C.) 8x = 45

D.) 5x + 8 = 45

Suppose triangle A B C is similar to triangle P Q R. Also, angle A measures 45° and angle B measures 60°.

What is 9 (x2) I don't understand this

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