Sketch the graph of the equation. Identify the vertex and the intercepts.y = x2 + 7x + 10
A. Vertex: 
;
x-intercepts: (-2, 0) and (-5, 0);
y-intercept: (0, 10)
B. Vertex: 
;
x-intercepts: (2, 0) and (5, 0);
y-intercept: (0, 10)
C. Vertex: 
;
x-intercepts: (2, 0) and (5, 0);
y-intercept: (0, 10)
D. Vertex: 
;
x-intercepts: (-2, 0) and (-5, 0);
y-intercept: (0, 10)
Answer: D
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Find the standard deviation for each data set. Round to one more place than the data.9, 20, 16, 16, 7, 15, 17, 18, 5, 16
A. 5.0 B. 4.7 C. 4.5 D. 1.5
Find the amount of the annuity due rounded to the nearest cent.
A. $34,822.38 B. $30,742.94 C. $26,965.69 D. $49,492.94
Solve the problem. Round to the nearest cent.A local company received received an invoice dated March 4, with terms 1/10, n/30, amounting to $3856.They paid the bill March 11. Find the cash discount and net amount paid.
A. Cash discount: $38.56; net amount: $3817.44 B. Cash discount: $0; net amount: $3856 C. Cash discount: $38.56; net amount: $3817.44 D. Cash discount: $385.60; net amount: $3470.40
Find a matrix A and a column matrix B that describe the following tables involving credits and tuition costs. Find the matrix product AB, and interpret the significance of the entries of this product.
?
A.
AB = 
The total tuition paid by all 3 students is $3651.
B.
AB = 
Tuition for Student 1 is $1240, tuition for Student 2 is $1217, and tuition for Student 3 is $875.
C.
AB = 
The total tuition paid by all 3 students is $3802.
D.
AB = 
Tuition for Student 1 is $1247, tuition for Student 2 is $1215, and tuition for Student 3 is $889.