Simplify the following expression.

(6x2 - 6x - 7) + (4x2 + 2)

A. 10x2 - 5

B. 2x2 + 6x - 9

C. 10x2 - 6x - 5

D. 10x2 + 6x - 5

Nicole is looking up at a 66° angle to the top of a cell phone tower that is 151 ft tall. How far away is she from the base of the tower? Round to the nearest hundredth. A. 45.43 ft B. 64.38 ft C. 67.23 ft D. 78.98 ft

500.01 in correct scientific notation

You took 500 calls in 30 days that means I took a average of

A box containing 15 DVDs is selling for $156.00. The box contains some DVDs worth $11.00 each and some DVDs worth $9.00 each. Which system of equations can be used to determine x, the number of $11.00 DVDs, and y, the number of $9.00 DVDs?

Explain how the value of the 7 in 327,902 will charge if you move it to the tens place

600000 in standard form

What are the real and imaginary parts of the complex number? -6+2i Enter your answers in the boxes.

How do you solve 3^2x=81

Find f when 27f=81 f=

Akira is saving money to buy a bicycle. He already saved 80 and plans to save an additional 5 each week find the total amount he has saved after any number of weeks