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15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form

Use sigma notation to represent the following series for 9 terms.

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.