What is the answer and work for -27+5u=-48

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

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.

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =