Solve the given equation for the indicated variable.A = P(1 + nr) for r
A. r = 
B. r = 
C. r = 
D. r = 
Answer: A
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AV = 60 db and VO = 130 V. Find Vin.
a. 13 mV b. 40 mV c. 65 mV d. 130 mV e. 600 mV
Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.(4p4s4)4(s2)
A. 4p16s18 B. 256p8s10 C. 256p8s32 D. 256p16s18
Solve the problem.Last year, enrollment at an art school was 16,321 students.(i) Complete the table below to help find an expression that describes the current enrollment if the change in enrollment in the past year is c students. Show the arithmetic to help you see a pattern.(ii) Evaluate the expression you find in part (i) for c = -100. What does your result mean in this situation?
A. (i)
(ii) 16,421; This means that the current enrollment is 16,421 due to an increase in enrollment of 100 students in the past year.
B. (i)
(ii) 61,321; This means that the current enrollment is 61,321 due to an increase in enrollment of 45,000 students in the past year.
C. (i)
(ii) -16,421; This means that the current enrollment is -16,421 due to a decrease in enrollment of 100 students in the past year.
D. (i)
(ii) 16,221; This means that the current enrollment is 16,221 due to a decrease in enrollment of 100 students in the past year.
Factor completely.x3 + 4x2 - 4x - 16
A. (x + 2)(x - 2)(x - 4) B. (x + 2)(x - 2)(x + 4) C. (x2 + 4)(x - 4) D. x(x - 4)(x + 4)