Choose the trigonometric function that you would use to solve for x on each righr triangle

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 line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

41/17 as a decimal rounded to the nearest hundredth