80% of what number is 16?
a. part=
b. total=
c. percent=
d. write and solve the proportion

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Prove that quadrilateral is a rhombus.

Plz. yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?