Simplify the following expression by combining like terms.

2x + 7x2 - 6x + 9x2

2x + 7x2 - 6x + 9x2 =

(Type la simplified expression.)

Enter your answer in the answer box and then click Check Answer.

What magic trick does mr. utterbunk perform every evening

101, 299, - 181, 103, X, - 81, 170, 160 Calculate the missing value X from the given average (arithmetic mean) of 84 and the known data values in the table. A) - 101 B) - 100 C) 0 D) 100 E) 101

Use base ten blocks to find 3.01:7

A muffin recipe calls for 8 cups of flour and yields 24 muffins. If natalie wants to make 60 muffins how much flour will she need

The sum of three numbers is 6. the first number is 3. the difference of the third and second number plus the first number is 4. what are the three numbers?

Charlie bought an airplane ticket for $288.00. The tax on the ticket was 7.5%, and he had to pay an additional $26 in fees. Which of the following shows how much Charlie will pay in total?

Solve the equation using inverse operations. 18 = 2/5 y Enter your answer in the box. y =

What is x if 24x + 3 = 9

For any positive integer n, the length of n is defined as the number of prime factors whose product is n. For example, the length of 75 is 3, since 75 = 3 * 5 * 5. How many two-digit positive integers have length 6?

Graph the linear equation in two variables. Find at least five solutions in the table of values for the equation. y=x-7 Find five ordered pairs that are solutions for the equation y = x - 7