Simplify the given expression using the definition for negative exponents. Assume that all variables represent nonzero numbers.
A. t5
B. t4
C. t
D. 
Answer: B
Mathematics
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Evaluate the expression.-73
A. 21 B. -21 C. -343 D. 343
Mathematics
Solve the problem.A survey of the 2718 vehicles on the campus of State University yielded the following circle graph. 
Find the number of convertibles. Round your result to the nearest whole number.
A. 2229 B. 489 C. 625 D. 18
Mathematics
Calculate the time necessary to achieve the investment goal. Give your answer to the nearest day. Use a 365-day year. ? $1,000 at 6% simple interest; deposit $800 ?
A. 4 year 62 days B. 4 year 304 days C. 4 year 76 days D. 4 year 69 days E. 4 year 61 days
Mathematics
Write an equation in slope-intercept form of a line satisfying the given conditions.Slope - 
; y-intercept 
A. y = 
x + 
B. y = - 
x - 
C. y = 
x - 
D. y = - 
x + 
Mathematics