Kyle wants to buy a hat for $5.75 a t-shirt for 7.65 and a keychain for $3.15. He has $16. How much more money does he need?

What is the inverse of the function f(x)=4x+8

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches