Given that tan x = 9/4 and tan y=1/2 and that angles x and y are both in Quadrant I, find the exact value of sin(x + y), in simplest radical form.

Which of the following statement about pascal's triangle are true?

(! ) three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41