Find a ⋅ b.

a = < 5, 2> , b = < 4, 5>

< 20, 10>
< 9, 7>
-10
30

Step-by-step explanation:

a.b=5(4)+2(5)=20+10=30

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square

answer: 2 answers

step-by-step explanation: the first one means to spread the product throughout the marketplace such that a large number of people can buy it.  

the second means the process of making a product or service available for the consumer or business user that needs it.

mark this brainliest and i will be glad to .