Jamal walked 7
10
of a mile on Monday. He walked
9
40
of a mile on Tuesday. Jamal estimated how much farther he walked on Monday than on Tuesday as shown below.

Step 1
7
10
is close to
1
2

Step 2
9
40
is close to
1
5

Step 3
1
2
−
1
5
=
3
10
Which statement best explains whether or not
3
10
is a reasonable estimate for the difference?

Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

True or false look at the picture pls : /