I'm still confused about the rules for finding the sum to dividing, multiplying, adding, and subtracting integers? ! does anyone have any suggestions on how i can easily remember the

Eric drew a scale drawing of a country park. the scale he used was 1 inch = 2.5 yards. the picnic area is 80 yards wide in real life. how wide is the picnic area in the drawing ?

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

What is the inverse of the function f(x) = 2x + 1?