Solve the problem.When $5600 is invested in a savings account paying simple interest for the year, the interest, i in dollars, can be obtained from the equation i = 5600r , where r is the rate of interest in decimal form. Graph i = 5600r , for r up to and including a rate of 16%. If the rate is 12%, how much interest is earned?
A. $692
B. $6720
C. $672
D. $656
Answer: C
Mathematics
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List the subsets.List all of the three element subsets of the set {a, b, c, d, e}.
What will be an ideal response?
Mathematics
Approximate the area of the triangle to the nearest tenth.
b = 87, c = 12.7
A. 412.5 B. 427.6 C. 408.3 D. 421.8
Mathematics
Find the equation of the line passing through the indicated two points. Write the equation in slope-intercept form.(-9, -6) and (-1, 8)
A. x = -9
B. y = 
x + 
C. y = 2x + 12
D. y = 
x + 15
Mathematics
Calculate the area of the surface S.S is the portion of the sphere x2 + y2 + z2 = 81 between z = - 
and z = 
.
A. 162
?
B. 9
?
C. 162?
D. 81
?
Mathematics