The starting balance is $42.51 please help me with math

1. a right triangle is graphed on a coordinate plane. find the length of the hypotenuse. round your answer to the nearest tenth. 2. use the angle relationship in the figure below to solve for the value of x. assume that lines a and b are parallel and line c is a transversal.

Can someone pls ! pls answer all. no explanation needed..

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.