How long have simple machines been around?

Group of answer choices

A: thousands of years

B: 850 years

c: millions of years

d: hundreds of years

Who are Emily Arden's backup singers? 1. the goodtones 2. the fairtones 3. the piglets 4. the smoothtones this is for theater

What are the main branches of engineering

What needs to be created in order for sandpaper to work

A three-phase line has an impedance of 0.4 j2.7 ohms per phase. The line feeds two balanced three-phase loads that are connected in parallel. The first load is absorbing 560.1kVA at 0.707 power factor lagging.

Determine the direct runoff and streamflow given the following unit hydrograph. The rainfall is collected at 4-hour intervals and is measured as follows: 2, 3, and 5 cm. The rainfall infiltration rate is 0.3 cm/hr. The baseflow is 22 m3/s.

What is the distance 1

Convert 30.12345 degrees into degrees, minutes and seconds.

Between a hypothesis and a prediction

A local reaction is when a chemical enters the bloodstream?

The rules for ordinary arithmetic involving addition, subtraction, and multiplication carry over into modular arithmetic. Tru