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12. A triangular prism has a base that is an equilateral
triangle, with side lengths of 6 centimeters. The
height of the prism is 12 centimeters. Find the
surface area of the prism.

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6