Find the missing number.
? 
= 10
A. 
B. 5
C. 
D. 10
Answer: B
Mathematics
You might also like to view...
Find the nth term an of the geometric sequence.-2, -4, -8, -16, -32, . . .
A. an = (-2)(2n) B. an = (-2)(2)n-1 C. an = (-2)(2)n D. an = a1 + 2n
Mathematics
Prove the identity.
?
What will be an ideal response?
Mathematics
Factor the polynomial by grouping.10x2 - 4x - 25x + 10
A. (10x + 5)(x + 2) B. (2x - 5)(5x - 2) C. (10x - 5)(x - 2) D. (2x + 5)(5x + 2)
Mathematics
Solve the problem.In a 1-mile race, the winner crosses the finish line 10 feet ahead of the second-place runner and 27 feet ahead of the third-place runner. Assuming that each runner maintains a constant speed throughout the race, by how many feet does the second-place runner beat the third-place runner? (5280 feet in 1 mile.)
A. 17.03 ft B. 7.01 ft C. -10.05 ft D. -17.09 ft
Mathematics