Consider the arithmetic sequence with a first term of 11 and sixth term of 21. What is the sum of these first six terms?

A: 192
B: 52
C: 142
D: 96

this answer is !

answer: its the third option.

step-by-step explanation:

i just took the test.

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.

a.)the line for function b is steeper