Joshua's Math textbook weighs 4.21 ounces. His Social Studies book weighs 3.99 ounces. What is the difference in weight between the two books? Do not include units.

Write 98 as the product of prime factors.

What is the equation in standard form of the line through (-1, 4) with slope - 3

you want to purchase a calculator for at most $115. You have saved $30 so far. You earn $7.50 per hour at your job. Right and solve an inequality that represents the number of hours H that you need to work.

A couple of us for twenty five minutes to five hours how long did they rest in eight hours

The Venn diagram represents all students attending Pythagorean High School. Circle A represents all students that are enrolled in extracurricular activities. Circle B represents all female students.

Your class is going on a field trip. Twenty-four students have turned in their permission slips so far. This is 80% of the students in class. How many students are in the class?

There are23tablesinthelibray. each table has 4chairs. Third graders fill the chairs at 3 tables. fourth graders fill the chairs at 6tables.

Jeremiah flies an airplane for 2.7 hours at an average speed of 304.6 miles per hour. How far did Jeremiah fly?

A triangle with sides 3, 5, and 9 is a right triangle. A triangle with sides 2 ft, 1.5 ft, and 2.5 ft. is a right triangle. If a right triangle has legs with length 12 and 5, find the hypotenuse.

Of the people who have taken their seats at a seminar, 2 have red hair, 5 have brown hair, 3 have grey hair, and 4 have black hair. What is the experimental probability that the next person to take a seat has red hair?