Perform the operation and write the result in standard form.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: B
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Find the determinant of the given matrix.
A. -28 B. 204 C. -12 D. 41
Find the quotient using short division.102 ÷ 3
A. 37 B. 32 C. 36 D. 34
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
Solve the problem.A person standing close to the edge on top of a 240-foot building throws a baseball vertically upward. The quadratic equation 
models the ball's height above the ground, s, in feet, t seconds after it was thrown. After how many seconds does the ball reach its maximum height? Round to the nearest tenth of a second if necessary.
A. 1.5 seconds B. 304 seconds C. 6.4 seconds D. 2 seconds