Subtract in the indicated base.7248 - 628
A. 6428
B. 7128
C. 6328
D. 6418
Answer: A
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Solve the equations.2z2 + 3 = 165
A. ±10 B. ±9 C. 9 D. 82.5
Solve the problem.In Smithville, there were 225 teachers in 1990 and 321 teachers in 2000. Find the percent of increase in the number of teachers in Smithville during this time period. Round to the nearest tenth of a percent.
A. 42.7% B. 46.9% C. 29.9% D. 51.2%
The polar coordinates of point P are given. Find all of its polar coordinates.P = (9.1, 29°)
A. (9.1, 29° + 360n°) or (-9.1, 29° + (2n + 1)180°) B. (9.1, 29° + 360n°) or (-9.1, 29° + 360n°) C. (9.1, 29° + 360n°) or (9.1, -29° + (2n + 1)180°) D. (9.1, 29° + 180n°) or (-9.1, 29° + 180n°)
Determine the coefficient and degree of each term, then find the degree of the polynomial.x10y - 9x6y4 + 6x5y2
A. 
; Degree of polynomial: 10
B. 
; Degree of polynomial: 7
C. 
; Degree of polynomial: 28
D. 
; Degree of polynomial: 11