The owner of a used music store bought a compact disc for $4.70. when she sold it, her profit was $4.75. what was the selling price?

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.

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)