An account earns simple interest. Find the interest earned. $\$1200$ at $2.8\%$ for $30$ months

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Solve -2(4y + 6) = 52. 5 -5 8 -8 and !

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882