Toothpicks can be arranged to form triangles as shown below. How many toothpicks are required to form a triangle with ten toothpicks on a side?
165
Mathematics
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Write the expression without parentheses.-(7n + 9w + 2g)
A. 7n - 9w + 2g B. 7n + 9w + 2g C. -7n - 9w + 2g D. -7n - 9w - 2g
Mathematics
Solve the problem.Let f(x) compute the time in hours to travel x miles at 29 miles per hour. What is the interpretation of 
A. The hours taken to travel 7 miles at 29 miles per hour B. The miles traveled in 7 hours at 29 miles per hour C. The hours taken to travel 29 miles D. The miles traveled in 29 hours
Mathematics
Simplify, if possible, by combining like terms.9st2 - 2st2
A. -7st2 B. 7st2 C. 7s2t4 D. Cannot be simplified
Mathematics
Perform the indicated operations and write the result in standard form.(2 + 
) (2 + 
)
A. -11 - 4
i
B. 19 + 60i
C. (4 + 
)- 19i
D. (4 - 
)+ (2
+ 2 
)i
Mathematics