Answer: 3
Step-by-step explanation:
The degree of a polynomial is the biggest exponent in the expression

yep, basically 3
Answer:
-1458
Step-by-step explanation:
Let's find the rule of the sequence. It seems that each term is -3 times the previous term.
Let's continue the sequence.
486, -1458
-1458 is the 7th term
Answer:
The other length of the trapezoid is 8 mm
Step-by-step explanation:
Answer:
143 Miles
Step-by-step explanation:
Dora biked 11x miles
Karly biked x miles
11x +x =12x
156 divided by 12= 13
13=x
13 multiplied by 11 = 143