Pick the best choice by estimating. Do not measure. For metric measurements, do not attempt to convert to the U.S. system.
?
The area of the front cover of this textbook is __________.
What will be an ideal response?
70 in.2 (This answer varies.)
Mathematics
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Perform the indicated operations and write the result in standard form.(-10 + 
)2
A. 100 - 25i B. 75 - 100i C. 125 + 100i D. 100 + 25i
Mathematics
For the problem below, ? is a central angle in a circle of radius r. Find the length of arc s cut off by ?. ? ?= 2, r = 5 inches. ?
A. s = 10 inches B. s = 7 inches C. s = 14.3 inches D. s = 22.1 inches E. s = 6 inches
Mathematics
Simplify the exponential expression using the rules for exponents. 
-2
A. 
B. 
C. 
D. y8
Mathematics
Convert the angle to D° M' S'' form. Round the answer to the nearest second.152.77°
A. 152°46'12'' B. 152°46'77'' C. 152°44'77'' D. 152°47'12''
Mathematics