Solve.logx 49 = 2
A. 128
B. 7
C. 
D. -7
Answer: B
Mathematics
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Find the product.(5m2)(4m3)
A. -20m5 B. 20m5 C. 20m D. -20m
Mathematics
Write an equation that expresses the relationship. Use k as the constant of variation.p varies jointly as the square of q and the square of r.
A. p + q2 + r2 = k B. pq2r2 = k C. p = k + q2 + r2 D. p = kq2r2
Mathematics
Find the first term and the common difference for the arithmetic sequence.S6 = - 75, a6 = -20
A. a1 = -5, d = -3 B. a1 = 95, d = -6.67 C. a1 = -5, d = -6.67 D. a1 = 95, d = -3
Mathematics
Solve using elimination.
A. x = 
, y = 
; x = 
, y = - 
or 
, 
B. x = 
, y= - 
; x = 
, y = 
or 
, 
C. x = 
, y = 
; x = - 
, y = - 
or 
, 
D. x = 
, y = - 
; x = - 
, y = 
or 
, 
Mathematics