X^2+9x+3 =0 using the quadratic formula

Multiply. −2x(6x4−7x2+x−5) express the answer in standard form. enter your answer in the box.

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

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