Let x = 6. what is the value of the expression 5x^2+x−7 ? the 2 is a exponent. the ^ symbol means an exponent 40points!

The highest common factor of 132 and 220

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.

Write an equation for the function that includes the points (2,100)and (3,100)