A.$6 million
B.$8 million
C.$7 million
D.$5 million
I NEED HELP ASAP

Divide: 1573 ÷ 7 = a) 222 r5 b) 223 r6 c) 224 r5 d) 224 r3

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm