Which expressioin can go in the blank to make the equation true? -4.5 + 4.4 + = 0

-6.7 + 6.8

-6.7 + (-6.6)

7.2 + (-7.2)

7.2 + (-7.3)

What are the solutions to the equation 4x2+3x=24-x

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation,and the determine the cost if he drove it70 miles.b) what would be the cost of a car rental if the car was driven 250 miles? show work