Simplify the expression. If any variables are present, assume that they are positive.
? 
A. 4x
B. 4
C. x
D. 
Answer: A
Mathematics
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Find the area of the shaded region.
A. 18 B. 27 C. 36 D. 45
Mathematics
Find the missing quantities as requested.Find the circumference of the circle. Use 3.14 for ?.
A. 37.052 mi B. 18.526 mi C. 109.303 mi D. 9.263 mi
Mathematics
Twenty teenagers were asked to give their current savings account balances. Use the balances shown in the list to complete the frequency distribution table and construct a histogram. $200$1250$880$3499$3399$2118$560$2500$2499$1499$1382$591$2399$2299$2789$2999$1810$1400$1500$2159 
What will be an ideal response?
Mathematics
Simplify.
A. ±0.73 B. 0 C. -0.73 D. 0.73
Mathematics