Solve.Three times the sum of a number and 3 is 15 less than the number times 6. Find the number.
A. 8
B. -8
C. -24
D. 24
Answer: A
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The formula for the area of a trapezoid is all but which of the following??
A.
?The area of the trapezoid is the mean of the bases × the height.
B.
?The area formula for a trapezoid can be broken down into three parts: I. the area of the left triangle, II. the area of the right triangle, III. the area of the rectangle.
C.
?The trapezoid area formula also can find the area for a parallelogram.
D.
?The area formula for a trapezoid is: 
, where a and b are the bases.
E.
?The area formula for a trapezoid is: 
, where 
and 
bare the bases.
F.
?The trapezoid area formula can sometimes be used to estimate the area of geographical shapes on maps that resemble a trapezoid.
Find the asymptotes of the hyperbola.y2 - x2 = 25
A. y = 
x and y = - 
x
B. y = x and y = - x
C. y = 
x and y = - 
x
D. y = 5x and y = - 5x
Solve. -7t = 56
A) –392 B) 8 C) 49 D) –8 E) 63
Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 