On her first two quizzes Barbara averaged 9 correct answers on the next three quizzes she average 10 correct answers what decimal number shows Barbara’s average score on all five quizzes?

Timed*** there are 8 rows and 8 columns, or 64 squares on a chessboard. suppose you place 1 penny on row 1 column a, 2 pennies on row 1 column b, 4 pennies on row 1 column c, and so on … how many pennies are on each square? a =   b =   c = d =   e =   f = g =   h =

What is the inverse of the function f(x) = 2x + 1?

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.