Prove tan (pi/4 x) - tan (pi/4-x) / tan (pi/4 x) tan (pi/4-x) = 2sinxcosx

Two sides of a triangle are 18 and 11. Find the range of possible values for the third side.

S and T are mutually exclusive events. Find p (s or t) p (s) = 10/13, p (t) = 1/3

Explain why you multiply to change from centimeters to millimeters

Adam had some candy to give to his three children. He first took seven pieces for himself and then evenly divided the rest among his children. Write an expression for how many pieces each child received. A. 7-c3 B. C-73 C. C-73 D. 7-c3

A pair of shoes cost $45. The shoes are on sale for 60% off. What is the discount amount?

Start time 11:00 am elapsed time is 4 hours and 5 minutes what time does it end

What is 21.63789 rounded to the nearest ten thousandths place?

The width of a rectangle is 4 2/3 cm. If the rectangle is twice as long as it is wide, what is the area of the rectangle?

A garden table and a bench cost $600 combined. The cost of the garden table is three times the cost of the bench. What is the cost of the bench?

Which is the equation of a line that is parallel to the line represented by the equation y = x+2