Find the difference.9.24 minus 2.50
A. 6.64
B. 8
C. 6.74
D. 7.74
Answer: C
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Solve the problem.A ball on the end of a string is spinning around a circle with a radius of 5 centimeters. If in 
a central angle of 
radian has been covered, what is the angular speed of the ball?
A. 
radians per sec
B. 
radian per sec
C. 65 radians per sec
D. 
radians per sec
Write this word statement as an equation. Use x as the variable, and find all solutions from the set 
The sum of a number and 1 is 9.
A. x + 1 = 9; 8 B. x = 1 + 9 ; 10 C. x + 9 = 1; 8 D. x + 1 = 9; 9
Find a matrix A and a column matrix B that describe the following tables involving credits and tuition costs. Find the matrix product AB, and interpret the significance of the entries of this product.
?
A.
AB = 
The number of credits for Student 1 is 12, the number of credits for Student 2 is 17, and the number of credits for Student 3 is 15.
B.
AB = 
The number of credits for Student 1 is 17, the number of credits for Student 2 is 15, and the number of credits for Student 3 is 12.
C.
AB =
Tuition for Student 1 is $800, tuition for Student 2 is $650, and tuition for Student 3 is $860.
D.
AB = 
Tuition for Student 1 is $900, tuition for Student 2 is $800, and tuition for Student 3 is $610.
Solve the equation and check your solution.2 - 
= 
A. x = 
B. x = 3
C. x = - 9
D. x = 15