Zoe bought a $25 sweatshirt on sale at a 30% discount. she wrote the expression 25−0.3(25)25−0.3(25) to find the discounted price of the sweatshirt.

which equivalent expression could she also use to find the discounted price?
1.3(25)

(1 + 0.3)25

(1−0.3)25(1−0.3)25

25 + 0.3(25)

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

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.

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial