Determine whether the function is a solution of the wave equation.w(x, t) = ln 5cxt
A. Yes
B. No
Answer: B
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Solve the problem.Linda invests src="https://sciemce.com/media/4/ppg__ttt0701190814__f1q123g6.jpg" alt="" style="vertical-align: -4.0px;" /> and 
for one year. Part is invested at 
, another part at 
, and the rest at 
. The total income from all 3 investments is 
. The combined income from the 
investments is the same as the income from the 
investment. Find the amount invested at each rate.
A. $5000 at 5%; $10,000 at 6%; $10,000 at 8%
B. $10,000 at 5%; $5000 at 6%; $10,000 at 8%
C. $10,000 at 5%; $10,000 at 6%; $5000 at 8%
D. $8000 at 5%; $10,000 at 6%; $7000 at 8%
Solve the problem.From a balloon 1,161 feet high, the angle of depression to the ranger headquarters is 
How far is the headquarters from a point on the ground directly below the balloon (to the nearest foot)?
A. 817 ft B. 802 ft C. 807 ft D. 812 ft
Use a protractor and a ruler to draw a quadrilateral with two angles of 120° and 3 congruent sides. Name the shape that you have created.
What will be an ideal response?
Choose the most reasonable metric length unit. Choose from km, m, cm, and mm.The book is 24 
long.
A. cm B. mm C. km D. m