In the input/output rule: y = -2x - 5 What would be the output of an input of -1? Write
only the number.

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

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)

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin