Alina si Claudia au impreuna 22 de ani. Cati ani are fiecare daca in urma cu 5 ani, varsta Alinei era de 3 ori mai mica decat cea a Claudiei?

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)

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?