Last labor day, i weighed 135 pounds. i have gained x pounds. write an expression for my current weight

What is 20+(5 x 2/5 )+ 3 show your work

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)

Opposite angles in a parrellelogram are