Solve the problem.An experimental model for a suspension bridge is built in the shape of a parabolic arch. In one section, cable runs from the top of one tower down to the roadway, just touching it there, and up again to the top of a second tower. The towers are both 6.25 inches tall and stand 50 inches apart. Find the vertical distance from the roadway to the cable at a point on the road 10 inches from the lowest point of the cable.
A. 4 in.
B. 1 in.
C. 1.2 in.
D. 0.8 in.
Answer: B
Mathematics
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Solve the problem.You invested $34,200 and started a business selling vases. Supplies cost $10 per vase and you are selling each vase for $29. Determine the number of vases, x, that must be produced and sold to break even.
A. 1800 units B. 713 units C. 1801 units D. 1802 units
Mathematics
Add or subtract as indicated.11 - |-14|
A. 3 B. -25 C. -3 D. 25
Mathematics
Solve the problem.An initial investment of $480 is appreciated for 5 years in an account that earns 18% interest, compounded quarterly. Find the amount of money in the account at the end of the period.
A. $677.62 B. $1107.77 C. $1098.12 D. $1157.62
Mathematics
Multiply and simplify.
? 
A. 12
B. 
C. 
D. 
Mathematics