A student bought n books with 20 dollars and 10-n books with 30 dollars each if p is the total price of the books then which one of the following is correct A p=300-10n
B. P=3n+200
C. P=600-5n
D. P=6n+500

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

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.

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2