What is the area of rectangle PQRS? 4.5 inches
P
Q
4.5 inches
S
3
inches
2R
inches
OA 20.25 square inches
OB. 21.375 square inches
O c. 27.00 square inches
OD. 42.75 square Inches
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What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

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.