Solve the equation.
(r + 6) = 
(r + 8)
A. 1
B. 2
C. -2
D. -1
Answer: D
Mathematics
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Find two consecutive whole numbers such that six times the smaller number plus the larger number equals 43.
A. 7 and 8 B. 6 and 7 C. 5 and 6 D. 4 and 5
Mathematics
Evaluate the integral.
A. 
B. 
?
C. 
?
D. 
?
Mathematics
Use the given vectors to find the value of the indicated scalar.u = 13i + 15j and v = 9i - 12j; Find u ? v.
A. 117 B. -63 C. 297 D. -180
Mathematics
Write the division problem using two other symbols.
A. 18 ÷ 6 = 3; 
= 3
B. 
= 18; 6 ÷ 3 = 18
C. 6 × 3 = 18; 
D. 18 ÷ 3 = 6; 
= 6
Mathematics