PLEASE HELP ME ASAP the question is on the screen shot, i will mark brainliest if you help this is due today

first one

Step-by-step explanation:

In order to get a by itself you need to move the +3 to the other side then it becomes a=18-3. To get b by itself you need to move the 4 to the other side so you have to divide it then it becomes b=32/4

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

i think it might be a but you might want a second opinion