Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(-1, 3)}
B. {(0, 2)}
C. no solution; ?
D. {(0, 3)}
Answer: B
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We have $86.22 to spend on flowering bulbs. Canna bulbs cost $2.53 each, and lily bulbs cost $1.7 each. There is space in the garden for 39 bulbs. ? A: Using ?C for number of canna bulbs and ?L for number of lily bulbs, write a system of two equations that determine our flower purchase. Round your answers to two decimal places, if necessary. ? B: How many canna bulbs and how many lily bulbs do we buy?
What will be an ideal response?
Determine if the system has no solution or infinitely many solutions. If the system has infinitely many solutions, describe the solution with the equation of a plane or an ordered triple in terms of one variable.
A. no solution B. (-1, -5, 2) C. (-1, 2, -5) D. (2, -5, -1)
Find the limit.
ln (z
)
A. ln 2
B. ln 4
C. ln 
D. 0
Solve the problem.A student took out two loans totaling $9000 to help pay for college expenses. One loan was at 8% simple interest, and the other was at 9%. After one year, the student owed 
in interest. Find the amount of the loan at 9%.
A. $3000 B. $480 C. $270 D. $6000