Simplify the expression:
cos^2(pi-x)/sqrt1-sin^2(x)
a. tan(x)
b. cos(x) tan(x)
c. cos(x) cot(x)
d. sin(x) tan(x)

An advertisement is on a flyer that has a thickness of 8.2 × 10-5 meters. each measurement below is the thickness of a stack of flyers. drag each measurement to the correct stack.

Find the roots of the equation below. x^2 - 6 + 9 = 0

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.