Find x=, if x+1=11 hurry!!

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

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)

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41