Which of the following expressions would solve for the measure of angle A and why?

Step-by-step explanation:

I choose D because following the right angle rules,cose=adjacent over hypothesis. Out of all the alternatives only D satisfied the right angle rules.

D

“a term can be a signed number, a variable, or a constant multiplied by a + sign or j sign. in , the terms are 5x , 3y and 8. when a term is made up of a constant multiplied by a variable or variables, that constant is called a coefficient.” i hope this you.

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