Which expression is equivalent to

(sin x + 1) (sin x - 1) ?

A.) cos^2x

B.) - cos^2x

C.) cos^2x + 1

D.) cos^2x - 1

E.) - cos^2x + 1

Which is the MOST a Which cell structure functions like a power plant for a eukaryotic cell? A. nucleus B. cytoplasm C. mitochondrion D. cell membrane accurate description of which cell contains a cell membrane

Given the functions j (x) = x2 - 9 and k (x) = - x + 7, which operation results in a 3rd degree polynomial?

Emily had 3 yards of string to fly a kite. The string broke and Emily had only 20 yards of sting left. how many yards of string broke?

Which of the following equations can be used to solve for the radius (r) ? Formula: A = 3.14r^2

Conplete the square: 6x squared plus 13x plus 6=0

For babysitting, Nicole charges a flat fee of $3, plus $10 per hour. Write an equation for the cost, C, after h hours of babysitting.

In particular month, Mr. Clark spent $900 on food which is 30% of his monthly salary. FInd his monthly salary

Add these numbers 1.36 ounces + 3.75 ounces + 2.62 ounces equals what

Which term best describes the shapes below that are the same shape but not the same size

Find the percent of the number. 25% of 340