Solve the problem by combining like terms.The value of 8 dimes is 10 ? 8 = 80 cents. Likewise, the value of x dimes is 10x cents. If George finds 
nickels, 6x dimes, and x quarters in his change jar, express the total value of change in cents as an algebraic expression.
A. 105x - 10 cents
B. 105x - 2 cents
C. 105x + 10 cents
D. 80x - 10 cents
Answer: A
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Translate to a system of two equations, then solve.Justin and Tisha are hiking north along the same trail. Tisha is hiking at a comfortable rate of 2 mph and passes a large hollow hickory tree at 4:36 PM. Justin is speeding along at a brisk rate of 4 mph and passes the tree at 5:06 PM. At what time will Justin catch up to Tisha?
A. 5:31 PM B. 5:36 PM C. 5:51 PM D. 5:46 PM
Solve the problem.The earth, Jupiter, Saturn, and Neptune all revolve around the sun. The earth takes 1 year, Jupiter approximately 12 years, Saturn approximately 30 years, and Neptune approximately 165 years to make a complete revolution. How often will Jupiter, Saturn, and Neptune appear in the same direction in the night sky as seen from earth?[Hint: Find the LCM of 12, 30, and 165]
A. Every 660 years B. Every 3300 years C. Every 1980 years D. Every 330 years
Evaluate if possible. If the expression is not a real number, so state.9-1/2
A. - 
B. - 3
C. 
D. 
A point on the terminal side of angle ? is given. Find the exact value of the indicated trigonometric function of ?.(15, 20) Find csc ?.
A. 
B. 
C. 
D. 