Find the length of the third side of the right triangle. Assume that c represents the length of the hypotenuse. Give an exact answer and, if appropriate, an approximation to three decimal places.a = 30, c = 50
A. b = 80
B. b = 20
C. b = 10
D. b = 40
Answer: D
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Find anand a6 for the following arithmetic sequence.2, 10, 18, 26, 34, . . .
A. an = 8n - 3; a6 = 45 B. an = 6n - 8; a6 = 28 C. an = 2(8)n-1; a6 = 16 D. an = 2(4n - 3); a6 = 42
Use the check register find the ending balance.Mary Dunn had a balance of src="https://sciemce.com/media/4/ppg__10624191611__f1q26g6.jpg" alt="" style="vertical-align: -4.0px;" /> Then on 
in her checking account before writing three checks and making two deposits. On 
she wrote check 
to Dr. Crandal for 
and check 
to Express Framing for 
she made a 
deposit, and wrote check 
to Big Electronics for 
On 
she made a 
check deposit. Record the checks and deposits in Mary's check register, and then find the ending balance.
A. $4330.70
B. $3210.04
C. $3054.69
D. $3655.61
Add or subtract. Write the answer in lowest terms.
+ 
A. 
B. 
C. 
D. 
Evaluate.
A. 
- 3
B. 
- 
C. 2
- 6
D. -2
+ 6