Mafs.912.a-ced.1.1
the measures of three sides of a triangle can be represented by 2x, 3x - 5, and 4x + 2.
the perimeter of the triangle is 65 inches.
a) give an equation to represent this situation.
b) solve for x.
c) what are the three lengths of the triangle?

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?