Question Help George needs to earn a B in his Geology class. His current test scores are 84, 78, 78, and 84. His final exam is worth 4 test scores. In order to earn a B. George's
average must lie between 80 and 89 inclusive. What range of scores can George receive on the final exam to earn a B in the course?
George's score on the final exam must be between
(Simplify your answers. Use ascending order.)
and
inclusive.

d) -1

step-by-step explanation:

1/4 because there is 4 grades.

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.