Answer:
first u have to write in the equation
Step-by-step explanation:
ooops my ph is hanged
Answer:(3x-7) (3x-7)
Step-by-step explanation:
9x2-42x+49
The two by the 9 is power of 2 so the small two above
Answer:
90.25π
Step-by-step explanation:
The circumference of circle is 2πr, or in other words the diameter times π.
The area of a circle is πr^2.
19π is the circumference of this circle.
So, 19 is the diameter, and 9.5 the radius.
The area if (9.5^2)π.
9.5^2=90.25
So, in terms of π, the area of the circle is 90.25π.
The students that are correct are Jake , and Liu because 51, and 21 are composite.
Hope this helps!
The length would be 50 ft and the width would be 40 ft.
