Can you help me with this problem
F(x)1 x 7(1/4)^2

There are 12 boy and13 girls in a class. if the teacher randomly chooses a student’s name out of a hat what is the probability it will be a girl

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

Cherie works in retail and her weekly salary includes commission for the amount she sells. the equation s=400+0.15c models the relation between her weekly salary, s, in dollars and the amount of her sales, c, in dollars. interpret the slope of the equation.