A rectangle has a length that is 8 less than it’s width w the perimeter is 52 which equation can be used to determine length

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.

The triangles are similar. what is the value of x? show your work.

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other