Right triangle ABC has , , and

style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_14455ebf5b3b4469b28aa8009" />. Use this information to find cos A.

?



A.
B. ?
C. ?
D. ?
E. ?

---

Answer: E

Mathematics

Solve the problem.At about what velocity do you enter the water is you jump from a 15 meter cliff? (Use g = 9.8 m/sec2.)

A. -17 m/sec B. 2 m/sec C. 17 m/sec D. -8.5 m/sec

Solve the linear inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.4x + 3 < 27

A. (-?, 6]

B. [6, ?)

C. (-?, 6)

D. (6, ?)

A card is drawn randomly from a standard 52-card deck. Find the probability of the specified event. The card is a 2, 3, or 10.

A.  
B.  
C.
D.  

Establish the identity.ln  + ln  = 2 ln  

What will be an ideal response?