Write the number in expanded form.952
A. 9 hundreds + 5 tens + 2 ones
B. 2 hundreds + 5 tens + 9 ones
C. 9 thousands + 5 hundreds + 2 tens
D. 952 thousands
Answer: A
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Decide whether the figure shown is a polyhedron.
A. Not a polyhedron B. Polyhedron
Solve the problem.A rocket tracking station has two telescopes A and B placed 1.3 miles apart. The telescopes lock onto a rocket and transmit their angles of elevation to a computer after a rocket launch. What is the distance to the rocket from telescope B at the moment when both tracking stations are directly east of the rocket telescope A reports an angle of elevation of 25° and telescope B reports an angle of elevation of 55°?
A. 2.13 mi B. 0.67 mi C. 1.1 mi D. 2.52 mi
Determine if the matrix is in row-echelon form.
A. Yes B. No
Simplify.
A. 
B. 16x
C. x
D. 