3. simplify the expression:
1+4(2x - 3) - x
a. 9x - 3
b. 9x - 15
c. 7x- 2
d. 7x - 11

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.

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

In the diagram, gef and hef are congruent. what is the value of x