Jennifer had a total of 20 coins consisting of nickels and quarters. if the value of the coins was $1.80, how many quarters did she have?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > 2x + 3y is less than negative 3 over 2 times x minus 4part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points)part b: is the point (â’4, 6) included in the solution area for the system? justify your answer mathematically. (4 points)