Answer:
4. 
5. 
6.
or 3.5
Step-by-step explanation:

Multiply those 2 values whose diagonal has both terms and divide by the term whose diagonal has the variable.

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Answer:
x=-28
Step-by-step explanation:
2x-3x=-1x so if -1x=28 divide both sides by -1 so x= -28
Answer:
16.67
Step-by-step explanation:
sana po makatulong
Answer:
9 = x (assuming 15 is the hypotenuse)
Step-by-step explanation:
15^2 = 12^2 + x^2
225 = 144 + x^2
subtract 144 from both sides
81 = x^2
square root both sides
9 = x
Answer:
m=−3/4 b=11/2
Step-by-step explanation: