explain the error the student made in solving the problem below: given the right triangle in the diagram below, what is the value of x, to the nearest foot? (PLEASE HELP, you’ll get 10 points)

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)

Evaluate the expression. (9 + 5)(3 + 2)0

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?