Provide an appropriate response.Express the sum in summation notation.7 + 11 + 15 + 19 + 23 + 27 + ... + 67
What will be an ideal response?
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Solve the equation for the unknown quantity.6z + 13 = 5z + 5
A. -8 B. -18 C. 8 D. 18
Provide an appropriate response.Evaluate 
Fill in the blank(s) with the appropriate word(s).
Complete the identity.tan ?(cot ? - cos ?) = ?
A. 1 B. -sec2 ? C. 0 D. 1 - sin ?
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = - 
, 
< ? < 2?Find cos (2?).
A. - 
B. 
C. 
D. - 