Solve the problem.The area of a rectangular wall in a classroom is 216 square feet. Its length is 3 feet shorter than three times its width. Find the length and width of the wall of the classroom.
A. width = 9 ft; length = 18 ft
B. width = 9 ft; length = 30 ft
C. width = 9 ft; length = 24 ft
D. width = 9 ft; length = 12 ft
Answer: C
Mathematics
You might also like to view...
Solve the problem.Evaluate 
at t = 
? for the function w(x, y, z) = 
; x = sin t, y = cost, z = t2.
A. 2
B. - 2
C. - 
D. - 2
Mathematics
Your weekly cost (in dollars) to manufacture x cars and y trucks is given by
?
?
Find 
, and 
.
?
A. 
,
B. 
,
C. 
,
D. 
, 
E. 
,
Mathematics
Use the properties of logarithms to rewrite and simplify the logarithmic expression. ? log2 (42 · 74) ?
A. 4 + 9 log2 4 B. 9 + 4 log2 4 C. 2 + 2 log2 7 D. 4 + 4 log2 7 E. 2 + 4 log2 7
Mathematics
Determine whether the sequence is arithmetic.2, 4, 6, 10, 12, ...
A. Arithmetic B. Not arithmetic
Mathematics