Write the following using exponents.5 ? 5 ? 5 ? x ? x ? y ? y ? y
A. 53x2y3
B. 5x2y3
C. (5xy)3
D. 5x3y2
Answer: A
Mathematics
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VR1 = 8 V, VR2 = 10 V, VR3 = 4 V, and VR4 = 14 V. What is the value of E?
a. 22 V
b. 10 V
c. 14 V
d. 24 V
e. 28 V
Mathematics
Write the augmented matrix for the system.4x + 7y = 299x - 2y = 12
A. 
B. 
C. 
D. 
Mathematics
Determine whether B is the inverse of A.A = 
, B = 
A. Yes B. No
Mathematics
Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first 9 terms of the geometric sequence: 
, 
, 
, 
, 
, . . . .
A. 
B. 
C. 101
D. 
Mathematics