Which of the following shows the sum of the polynomials −3x2+3y2+4x and 4x2−4y+2? a. −3x2+3y2+4x+4x2−4y+2 b. −x2+3y2+4x−4y+2 c. x2+3y2+4x−4y+2 d. 7x2+3y2+4x+4x2−4y+2

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression

Solve the triangle. a = 21°, c = 105°, c = 5