A triangular prism has a height of 11 meters and a base with the following measurements. All dimensions are in meters. What is the value of B ?

7 m 2
8 m 2
77 m 2
14 m 2
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Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income

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The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years