My question says write an expression that represents n plus 7 multiplied by 3

Aquadratic function f(x) has a turning point at (3,-7). what is the turning point of -f(x)?

Select the correct answer. joshua likes to read. he read 6 books when he was 6 years old. every year he doubled the number of books he read the previous year. how many total books did he read between the ages of 6 and 10? a. 60 b. 90 c.186 d.187

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.