Find the distance between each pair of numbers -0.15 and 0.7 (show how you got the answer) will give brainliest

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.

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left