A baseball diamond is a square with side 90 ft. A batter at the home base hits the ball and runs toward first base with a speed of 
. At what rate is his distance from third base increasing when he is halfway to first base? Round your answer to the one decimal place.
?
?
A. 
B. 
C. 
D. 
E. 
?
Answer: C
Mathematics
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Solve the system of equations by Gaussian elimination. If there is an unlimited number of solutions, find two of them.9x + 8y = 48-7x + 3y = 18
A. x = 0, y = 7 B. Inconsistent C. x = -1, y = 7 D. x = 0, y = 6
Mathematics
Write in logarithmic form.
= 3-2
A. log3-2 = 
B. log3
= -2
C. log-2
= 3
D. log1/93 = -2
Mathematics
Factor the trinomial, or state that the trinomial is prime.6x2 + 17x + 12
A. (2x - 3)(3x - 4) B. (2x + 3)(3x + 4) C. prime D. (6x + 3)(x + 4)
Mathematics
Determine whether the sequence is arithmetic.7.56, 12.21, 16.86, 21.51, . . .
A. Arithmetic B. Not arithmetic
Mathematics