Find the exact value of sin22.5 (using the half angle formula)

4x^2 + 8x - 11x + 6 - 5x^2 + 2 A. - x^2 - 3x + 8 B. - x^2 + 3x + 8 C. x^2 - 3x + 8 D. x^2 + 3x + 8

What is equivalent to the expression (x-5) (x+5) + (x-1) (x+5)

2.23% of 75 is what number?

Which could be the first step in solving the equation represented by the model below? 3 x tiles and 4 negative 1 tiles = 2 x tiles and 5 positive 1 tiles

Kay is a student in Mrs. Hudson's class. Assuming you know nothing else about Kay, what is the probability that Kay's birthday will fall on a weekday in any given year? 1. List the sample space for this problem. 2.

7x+2y=-13 -3x-8y=-23

Find and show the answer for 3times 146

What is greater 2/3 or 3/2

Carmen has taken out a loan for $800 to buy a car. She plans to pay back the loan at a rate of $40 per month. Ramona has borrowed $500 to buy a car, which she plans to pay back at a rate of $20 per month.

How does dilation work?