Write a word phrase for and algebraic expression 3x+10

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

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

Which of the following questions describes the equation g + (-4) = -5? a)what number, when added to negative four, is equal to negative five? b)what number, when added to negative five, is equal to negative four? c)what number, when subtracted from negative four, is equal to negative five? d)what number, when subtracted from negative five, is equal to negative four?