X^2 - 5x (x + 4) for x=3

21 tenths how many ones?

A die will be rolled some number of times and the object is to guess the total number of spots. There is a one-dollar penalty for each spot that the guess is off. For instance, if you guess 200 and the total is 215, you lose $15.

What is the product written in scientific notation (1.28 * 10^3) * (9.1 * 10^-6)

What is the median of the following set of numbers? 15, 12, 18, 17, 13, 12, 12, 14, 15, 19 12 14 15 14.5

Pizzas cost $14 each how many pizzas can you buy with $60 what's the quotient and what's the remainder and why

A restaurant has 68 chairs. There are six chairs at each table. About how many tables are in the restaurant

The base of a ladder is 25 meters due west of a burning building. If the angle of elevation of the ladder is 51°, how long is the ladder (round to the nearest meter) ? A) 33 meters B) 34 meters C) 39 metersD) 40 meters

Simplify by opening the parentheses: (2a-b) + (m-1)

Complete the proof for theorem 3-13. 1. l||m if lines are ||, corresponding angles are equal. 2. m∠1 = m∠3 vertical angles are equal. 3. m∠2 = m∠3 given 4. m∠1 = m∠2 substitution

Solve for a 4=20a a=?