Iwill make you brainliest! answer this !

the doppler effect indicates that the universe is expanding

a) light from other galaxies is the same color

b) light from other galaxies is different colors

c) light from other galaxies is blue shifted

d) light from other galaxies is red shifted

Acube has a volume of 2011 cubic inches. what is the angle measure between a side of a cube and its interior diagonal?

Give your knowledge of these things in your paper, you will compare and contrast analog and digital signals to determine which is more reliable for encoding and transmitting information. you’ll compare these features: signal shape numerical values for signal measurements amount of data that can be transmitted energy requirements privacy and security (ability of the signal to be encoded in a secret code) clarity of signal in the space provided, write down what you already know about any of these features. if you’re not sure, write down questions you might have about the features.

An automobile steering wheel is shown. what is the ideal mechanical advantage? if the ama is 8, what is the efficiency of the steering wheel?