Answer:

Step-by-step explanation:
This can be simplified by combing like terms.
8x^2 and 15x^2 are like terms. Since both numbers are positive, we add them together.
The sum of 8x^2 and 15x^2 is 23x^2
I hope this helps.

Which ratio is less than 7: 15 ?
Answer:
Is Less Than the Ratio 7:15
Step-by-step explanation:
Hope this helps!
Answer:
In group A, they have at least one 90 degree angle. In Group B, they do not have any 90 degree angles.
Answer:
Step-by-step explanation:
49767269 × 327686000 - 1029 + 
= 16308037309534000 - 1029 + 
= 16308037309532972 + 
=
Answer:
The quotient is 2x+1. The remainder is 2x-2
Step-by-step explanation: