What do you think about them? bills of rights

What makes this speech a primary source? o a. the words are spoken by the president himself. o b. it uses narrative to keep the reader's attention. o c. it was written over 70 years in the past. o d. it contains a strong historical argument.

Sanjay solved the equation below. which property did he use to determine that 7x+42=42 is equivalent to 7(x+6)=42 7x+42=42 7x=0 x=0

What important discovery was made by edmond halley and alexis clairaut, using newton's ideas of mathematics and gravity? they created the scientific method to outline how science should be conducted. they were able to find the orbit of a comet and predict the year of its return. they discovered the three newest planets--uranus, neptune, and pluto. they explained why objects appear to have color.