Find the determinant of the matrix and determine if the matrix is invertible 
?
What will be an ideal response?
0, not invertible
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Rewrite the number or expression as requested.1.487 ? 106 (Rewrite as a standard numeral.)
A. 89.22 B. 148,700 C. 14,870,000 D. 1,487,000
Solve the problem.Let f(x) compute the time in hours to travel x miles at 
per hour. What does 
compute?
A. The miles traveled in 42 hours B. The hours taken to travel 42 miles C. The miles traveled in x hours D. The hours taken to travel x miles
Perform the indicated operations. Write the resulting polynomial in standard form.(x + 9y)(x + 3y)
A. x2 + 12xy + 27y2 B. x2 + 12xy + 12y2 C. x + 12xy + 27y D. x2 + 9xy + 27y2
Given the perimeter of the regular polygon, find the length of each side. Write any improper fractions as mixed numbers.A regular pentagon; P = 70 ft
A. side = 14 ft B. side = 3.6 ft C. side = 56 ft D. side = 1.2 ft