Solve the equation.
- 
= 4
A. r = 
B. r = 
C. r = 
D. r = 
Answer: D
Mathematics
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Find the first term and the common difference for the arithmetic sequence. Round approximations to the nearest hundredth.S4 = - 38, a4 = -17
A. a1 = -2, d = -8.5 B. a1 = -2, d = -5 C. a1 = 49, d = -5 D. a1 = 49, d = -8.5
Mathematics
Decide whether the expression has been simplified correctly.x3 ? x2 = x6
A. Not simplified correctly B. Simplified correctly
Mathematics
Add.10 + 4.76 + 0.402
A. 14.358 B. 15.162 C. 4.838 D. 5.642
Mathematics
Find the value of x that satisfies the equation.
+ x = 8
A. x = 
B. x = 
C. x = 
D. x = 15
Mathematics