Solve the problem.A man is planting a section of garden with tomatoes and cucumbers. The available area of the section is 90 square feet. He wants the area planted with tomatoes to be more than 
of the area planted with cucumbers. Write a system of inequalities to describe the situation. Let 
to be planted in tomatoes and 
to be planted in cucumbers.
A. x + y ? 90
x < 0.30y
x ? 0
y ? 0
B. x + y ? 90
x > 0.30y
x ? 0
y ? 0
C. x + y = 90
x ? 0.30y
x ? 0
y ? 0
D. x + y ? 90
x > 30y
x ? 0
y ? 0
Answer: B
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Graph the function.y = (-5x)2/3 + 3
A. 
B. 
C. 
D. 
Which of the following is an example of formative assessment?
a. Using a classroom response system to pose a key question to see if students are ready to move on to the next unit of study. b. Initiating a "focusing" (as opposed to "funneling") pattern of classroom discourse to gain information about students' thinking to guide instruction. c. Making notes on students' conversations as they work in small groups and then using the notes to decide upon which major points to bring up during subsequent whole-class discussion. d. All of the above e. None of the above
Solve the problem.Find a unit vector normal to the plane containing u = -i + 3j - 5k and v = 2i - j + 6k.
What will be an ideal response?
Find all rational zeros of the polynomial.P(x) = 
x4 - 
x3 + 
x2 - 
x + 
A. 
, 
B. 
, 
C. - 
, 
D. 
, 