Stephen and Chelsea want to increase the volume of this prism
by 72 cubic centimeters. Chelsea wants to add eight layers, and
Stephen says they only need to add four layers. Their teacher
tells them they are both correct. Explain how this is possible.

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)

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

If 3x+8=3x+8 is it one solution or no solution