Determine whether the ordered pair is a solution of the inequality.
; 2x + 3y < 5
A. No
B. Yes
Answer: B
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Solve the problem.Paul invested three times as much in an account paying 7% interest as he did in an account paying 3% interest. If the total interest paid was $600, how much did he invest in each account?
A. $2500 at 7%, $7500 at 3% B. $7500 at 7%, $3000 at 3% C. $75 at 7%, $25 at 3% D. $7500 at 7%, $2500 at 3%
Write a system of equations associated with the augmented matrix. Do not try to solve.
= 
A. 2x + y = -3 x + 2y = 2 -5x - 5y = 2 B. 2x + y + z = -3 x - 5y = 2 C. 2x = -3 x + y = 2 -5x - 5y = 2
Use the definite integral to find the area between the x-axis and the graph of f(x) over the indicated interval.f(x) = 2x - x2; [0, 2]
A. 
B. 
C. 
D. 
Solve the problem.A ball is dropped from a cliff that is 256 feet high. The distance S (in feet) that it falls in t seconds is given by the formula 
How many seconds will it take for the ball to hit the ground?
A. 4096 sec B. 4 sec C. 16 sec D. 15.5 sec