In a small school the ratio of present students to absent students is 5: 2, if 80 students are present how many are absent

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.

Question 101 points)which equation in slope-intercept form represents the line that passes through (5, 1) and(-4,7)

The value √10 and √15 are plotted on the number line