How many atoms of zinc react with 1.49 grams HNO3?

Determine if the expression is a polynomial. If so, classify it by its number of terms 3x^2 A) Yes, monomail B) Yes, binomail C) Yes, trinomial D) Not a polynomial

398.2235 to the nearest ten is what?

What is 2350 million in standard form

What is the IQR 20 24 28

How does the volume of a square pyramid change if the base area is quadrupled and the height is reduced to 1/9 of its original size

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?