Answer:
4200
Step-by-step explanation:
Hi!
Explanation: <u><em>This question is super super easy to me. This question is about how to use their order of operations the math problems. First you had to used PEMDAS stands for P-Parenthesis first, E-Exponents second, M-Multiply third, D-Divide fourth, A-Add fifth, and S-Subtract sixth. Then multiply and divide from left to right with 6*7=42. Then 27*9=243,42-243+64, and add or subtract from left to right with 42-243+64=-137 is the right answer. Hope this helps! And thank you for posting your question at here on Brainly. And have a great day. -Charlie</em></u>
There is three terms in the expression "n2+6n-3".
In Algebra a term is either a single number or variable, or numbers and variables multiplied together. Terms are separated by + or − signs, or sometimes by divide.
divide total miles by time:
157.5 / 2.5 = 63 miles per hour
if you add two numbers with different sign , but absolute value of
positive number is greater than absolute of negative number , sum will
be positive
ex. -4+7=3
I7I GREATER THAN I-4I, WE SUBTRACT 4 FROM 7 =3 POSITIVE
OR -14 +20 =6 POSITIVE , ABSOLUTE VALUE OF 20 GREATER THAN ABSOLUTE VALUE OF -14