Which of the following is a foci of x^2/9 +y^2/4=1 (5,0) (0,5) (13,0)

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation