Solve the problem.Jason bought x rose plants and y sunflower plants for his garden. Rose plants cost $9 each, and sunflower plants cost $13 each. If his spending limit was $264., write an inequality to show the possible combinations of rose plants and sunflower plants he could have bought. Graph the equation.
A. 9x + 13y ? 264
B. 9x + 13y ? 264
C. 13x + 9y ? 264
D. 13x + 9y ? 264
Answer: B
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Solve the problem.A waiter made a deposit of $254. If his deposit consisted of 94 bills, some of them one-dollar bills and the rest five-dollar bills, how many one-dollar bills did he deposit?
A. 40 one-dollar bills B. 44 one-dollar bills C. 54 one-dollar bills D. 49 one-dollar bills
At what points is the given function continuous?f(x, y) = ex+y
A. All (x, y) satisfying x + y ? 0 B. All (x, y) C. All (x, y) ? (0, 0) D. All (x, y) in the first quadrant
Solve the problem.Suppose that the radius r and volume V = 
?r3 of a sphere are differentiable functions of t. Write an equation that relates dV/dt to dr/dt.
A. 
= 4?r2
B. 
= 4?
C. 
= 
?r2
D. 
= 3r2
Determine the size of matrix A and tell whether it is a square matrix, row matrix, column matrix, or none of these.A = 
A. 3; row matrix B. 3 × 2; none of these C. 2 × 3; none of these D. 6; row matrix