Kevin is 3 times as old as daniel. 4 years ago, kevin was 5 times as old as daniel. how old is kevin now?

In pqr the obtuse angle is 105 and the shorter sides measure 4 and 7 units rounded to the nearest tenth what is the area of triangle pqr

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29