President biden theme of unity was demonstrated in his speech by the use of which persuasive technique 1.bullying the country
2. say again
3. exaggeration
4. direct address

a is your answer

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deseasie in europe              

the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69

literally just took the test, got a 100%. i couldn't be bothered to type it all out, so i just took pictures.

should be in order from q 1 to 35.