Jack is using a ladder to hang lights up in his house. he places the ladder 5 feet from the base of his house and leans it so it reaches a window 14 feet above the ground. find the angle of elevation of the ladder.

a) 65.5
b) 68.4
c) 70.3
d) 71.5
e) 72.9

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b