If 3 equals a and b is a times 3 what is b

Is the open sentence 5x-2=3x+2 true when x=2? justify your answer.

For the function, f(x) = -5x 2, find f(-4).

Consider the integral: 4 0 16 − y2 − 16 − y2 4 1 x2 + y2 dz dx dy . (a) describe w. use the standard view of the x, y, and z axes. front half of a cone with a rounded top. full cone with a flat top. right half of a cone with a flat top. front half of a cone with a flat top. right half of a cone with a rounded top.