Simplify.
A. - 
B. 
C. - 
D. - 
Answer: A
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Find the values of the variables for which the statement is true, if possible.
+ 
= 
A. a = -9; b = 8; c = -5; d = -13; e = -7; f = -12
B. a = 3; b = 2; c = 5; d = -1; e = 7; f = 0
C. a = 9; b = -8; c = 11; d = 13; e = -1; f = 12
D. a = - 2; b = - 
; c = -9; d = - 
; e = -12; f = - 1
Determine whether the relation is also a function.{(-4, 9), (-3, -7), (1, 1), (8, -7)}
A. yes B. no
Solve the problem.List all the combinations of 6 objects a, b, c, d, e, and f taken 2 at a time. What is C(6, 2)?
A. aa, ab, ac, ad, ae, af, ba, bb, bc, bd, be, bf, ca, cb, cc, cd, ce, cf, da, db, dc, dd, de, df, ea, eb, ec, ed, ee, ef, fa, fb, fc, fd, fe, ff C(6, 2) = 36 B. ab, ac, ad, ae, af, bc, bd, be, bf, cd, ce, cf, de, df, ef C(6, 2) = 15 C. ab, ac, ad, ae, af, ba, bc, bd, be, bf, ca, cb, cd, ce, cf, da, db, dc, de, df, ea, eb, ec, ed, ef, fa, fb, fc, fd, fe C(6, 2) = 30 D. ab, ac, ad, ae, bc, bd, be, cd, ce, cf, de, df C(6, 2) = 12
Use the circle graph to solve the problem. Give your answer as a fraction, decimal, and as a percent.The circle graph below shows the majors for 960 college students at Blackwood Community College. What portion of the students are majoring in science?
A. 
; 0.33; 3.3%
B. 
; 0.33; 33%
C. 
; 0.375; 37.5%
D. 
; 0.375; 3.75%