The sum of 6 times a number and 3 is equal to 9?

Let x = the number

We have the equation

         6x + 3 = 9

Solving,

         6x = 9 - 3

         6x = 6

           x = 1

So the number is 1.

6x+3=9 is the equation.

The letter x equals 1.

answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere

7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25