Answer:
21
Step-by-step explanation:
3x+6=5x-4 because of alternate interior angles of a parallel line
10=2x
x=5
15+6=21
Answer:
28.5
Step-by-step explanation:
If you can add brainliest
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Answer:
C. Cubic expression.
Step-by-step explanation:
The highest exponent is 3 ( in the term 7x^3) so it is cubic.
I’m pretty sure the value is 80 because that’s a 90° angle. 90 minus that 10 leaves 80
Answer:
5/9 is an example of rational number.
Step-by-step explanation:
as the definition of rational number is the number in the form of p/q but the value of denominator q should not be equal to 0. Every integer is a rational number.