Between which two rational numbers is located?

a. 1.2 and 1.3
b. 1.7 and 1.8
c. 2.6 and 2.7
d. 2.7 and 2.8

The amount of energy it takes to lift a box might be a function of which of the following

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

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i