The average age of Class 60 student
is 45
years
and the average age of
another class of 90 student Is 60 years
Find the

average age of Student of two classes. ​

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

What are the solutions of the system? y = x^2 + 2x +3y = 4x - 2a. (-1, -6) and (-3, -14)b. (-1, 10) and (3, -6)c. no solutiond. (-1, -6) and (3, 10)

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year? show your work and explain your reasoning in the space provided below.