I need help with these questions (see image). Please show workings. Question : Findthe size of the angles marked by letters in the following diagram.
See image for diagram.​

He amount of carbon-14 present in animal bones t years after the animal's death is given by p(t)equals=upper p 0 e superscript negative 0.00012097 tp0e−0.00012097t. how old is an ivory tusk that has lost 26% of its carbon-14?

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?