Edenuity qu2
?
the area, a, of a circle is given by a = tor, wherer is the
radius of the circle. round all values to the nearest whole
number before substituting into the formula in order to
estimate the area of a circle with radius 11.3 centimeters.
oa) 27 cm
ob) 48 cm
oc) 70 cm
od) 363 cm

What are the coordinates of the hole in the graph of the function f(x) ? f(x)=x2−9x−3 enter your answer in the boxes.

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

Which of the following expressions is equal to 2x^2+8