Equation of a circle with a center at (-3, -8) and a radius of one-third

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

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.

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6