What is the 1st step on simplifying 3+8/2

One integer is 8 times another. if the product is 72, then find the integers

The quadratic function h(t)=-16.1t^2+150 choose the graph representation

How do you find p(a and b) if a and b are independent events for two or more actions, such as tossing a coin twice and finding p(heads and heads)? 2. how do you find p(a or b) if a and b are independent events for one action, such as spinning a four-color spinner once and finding p(red or blue)?