Solve the equation. Find all real solutions.2x-2 + 5x-1 = 12
A. 4, 
B. -4, 
C. - 
, 
D. - 
, 
Answer: C
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If the frequency is 750 Hz, what is the period?
a. 1.33 msec b. 7.5 msec c. 133 msec d. 1.33 æsec e. 750 æ
Find the exact value of s in the given interval that has the given circular function value.
; cos s = - 
A. s = 
B. s = 
C. s = 
D. s = 
Use the Binomial Theorem to expand the binomial and express the result in simplified form.(3x - 1)5
A. 243x5 + 15x4 - 90x3 - 90x2 + 15x - 1 B. 243x5 - 81x4 + 27x3 - 9x2 + 3x - 1 C. 243x5 - 405x4 + 270x3 - 90x2 + 15x - 1 D. (9x2 - 6x + 1)5
Solve the problem.Ron takes two hr more time than Paul to mow the lawn. Working together they can mow the lawn in 
. How long does it take each of them working alone? Round to the nearest tenth, if necessary.
A. Paul: 9.1 hr; Ron: 11.1 hr B. Paul: 8.3 hr; Ron: 10.3 hr C. Paul: 10 hr; Ron: 12 hr D. Paul: 8 hr; Ron: 10 hr