Solve the given equation by finding the unknown value.5 ? ? = 690
A. 5
B. 3450
C. 138
D. 685
Answer: C
Mathematics
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Use the formula for the nth term to find r.a = -4, r > 0, a5 = -64
A. 8
B. 
C. 16
D. 2
Mathematics
Find the value of the expression.-
A. 0 B. -10 C. 3.162 D. 10
Mathematics
Factor the polynomial using a common factor with a negative coefficient.-r3 + 4r2 - 21r
A. -r(r2 - 4r - 21) B. -r(r2 - 4r + 21) C. -r(r2 + 4r + 21) D. -r(r2 + 4r - 21)
Mathematics
Simplify the expression.64-1/3
A. -4
B. -64
C. 
D. 
Mathematics